%PDF-1.7 %���� 11 0 obj << /Type /Page /Parent 1 0 R /LastModified (��/�< 1�'<_�G���j�j�m) /Resources 2 0 R /MediaBox [0.000000 0.000000 595.276000 841.890000] /CropBox [0.000000 0.000000 595.276000 841.890000] /BleedBox [0.000000 0.000000 595.276000 841.890000] /TrimBox [0.000000 0.000000 595.276000 841.890000] /ArtBox [0.000000 0.000000 595.276000 841.890000] /Contents 12 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /Annots [ 6 0 R ] /PZ 1 >> endobj 12 0 obj <> stream ׸!�� ܑfP��9���� QG�7G~��e���Nd5�ѹ4#��-�bA Ů �SM�+�P2��SEUz�9� u��zS�ܾX��x� �}6��}ɵ&LRE ν iER ��D��ӓ҂"Ӡ��@�Y�o s���(�X�;�)�anE׾���N-wK�գ�/;3�*�O�M$��T����Ӡ%M j0��c�^`/�a��:�fu�Q/޿�5��u���n��U"����u"H�ִ�Xn��k߯kե�"�*�цPo׿����#���LA?�Y���%��k��Z���\Y�g��I���'�L���2Y�*�8_������P� �**m��MD.� ���ɇXt��u��Ea��7�(��w�`_����񊥨^q�>�$�`�:rE�&P�%�)��^/V�6~p����ǃ��^�$�H��c!�=��f����th$`�C#��ȇ#�kld���v+��� endstream endobj 13 0 obj << /Type /Page /Parent 1 0 R /LastModified (�,�" �;�����M% :m����) /Resources 2 0 R /MediaBox [0.000000 0.000000 595.276000 841.890000] /CropBox [0.000000 0.000000 595.276000 841.890000] /BleedBox [0.000000 0.000000 595.276000 841.890000] /TrimBox [0.000000 0.000000 595.276000 841.890000] /ArtBox [0.000000 0.000000 595.276000 841.890000] /Contents 14 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /Annots [ 8 0 R ] /PZ 1 >> endobj 14 0 obj <> stream V���P##H����q�,VO9�>�񩻐!n�� ���o�~�x����@`�[ -;�\�D$^3��Y����\���pr�y�$��_�'=�޶�J��/���tg�۞8��௻�ũ�el\���i�B����^�ȝ!�~D�Ih��Ĥ�돖#����n�]v%�ϖ��Ƭi%Cu� /�Kt��]���!���c���0',����x�rX�[.�� ��r�������}�\QӔ/b�Ҡ���\Q�)�';��`���+�I2{���G�e1lml)��)ַ����jq��ܣI�'� � �3,) �\P��b����(�C� �Dy�I�+_��7�gN4�SV�f� ��ߕV�V6��m��AJ�`eʉ�����2��E��9��Z�b����j���]*4�ڜ�* Ia��-��]�M��h�M�����HV��9<~�x|,(s �e=̏e�E����_x!�Ư�OHLr�ӊ��ԙC��S9>�<�1\����Y���e��^(�A���a��W���2ͯV�EL��#�%�{_��;ޢ�@c ���&�mP�U�<�CLz\� V)���Pq�}↚`�0O� j�9W���&K�^FK���8�p�\�����Wך8's����������8���ҟ����Ƹ#��!���Bl��"���FZ�'�C4�+�j-8ۧ�� ��[mB먈����km0���dV��(,��� ��*1�`2�p�k4����و1D�p�ĸ�q[��(� EAG�Z��s2��A�ie�����ޓ��^kxTQ�ԑ&�ܐ�'v���?����$���8Ds�����#��h��\h�Cc!}R>@)ke�V�5 ��9�H�����{�M�r��9>6�D�k \��y 7���ao�Ǭ�6X�0�[����$���{н�!�%m/�Ci�y�~���[У-�N �i0@k���a��v5o�䄚���\+�#���� 1�0˪��l]�N婸�i?��*� ��gx�.��z#s,���+�(���gsoפ`Kz4HT}ּ-![�X���S�͛�ѭ;:�T� 5j��z3�j��x�h��k�OEW�r�S(�v�6�wF�2��ݭ�����vx1�#��΅���9'�B��r� endstream endobj 15 0 obj << /Type /Page /Parent 1 0 R /LastModified (h�J�A&\)#dH�l����45��5�) /Resources 2 0 R /MediaBox [0.000000 0.000000 595.276000 841.890000] /CropBox [0.000000 0.000000 595.276000 841.890000] /BleedBox [0.000000 0.000000 595.276000 841.890000] /TrimBox [0.000000 0.000000 595.276000 841.890000] /ArtBox [0.000000 0.000000 595.276000 841.890000] /Contents 16 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /PZ 1 >> endobj 16 0 obj <> stream �����j���� ,�'w“�9�C��� e�m� �~�QJ ���]�x@\��S��1�`8�i�W�5v�C�6����E��L� y7/bw#}{k���U���u@�������`n]�t6�]d�L�s�XLeYl��^z�f�g�r�rL�u��N�p�W�ZCe�F�&h��E�"��T��~o��� �rS�F ��_U�C ��<�v��'�Aɮ]m���H5��Κ���<��!�J$6o��m�(���v��a��K/�/<Nם`���X��ʶ�ԟ�z��>�v� !�h��Q3�pP�w�ȳk��xœ�ƅ��,��Z9od�L��k�URh}6�7>p|~� ��׳��q#f���pF"�n��Y�W��_�b3���A��y�(��A�!��҆|T��T۪u��"*��H���긁Fz�����ф�D�} ����~�&,��4��—6�P�AS{6��,����O�8��|����)�i�g�6i�K�MPA ��(���j� �v�,v����u�:��^#� ygՔ�Ob��o�Q��%�*��s�M����5�â��v�b�_��n���vS�������i���c�̍C2vJ�����7�t5*S4��� �c�����C4VC�k_P������_ ��;$-���Eqŏl3�)4����������/�7�j!c��?F�����j��!F�Zb������c V:�L��D��A��5�����E���u�Vڏ�*����|!F�����KI�-��y}j�r% �?�'���_��n���Ʃ@hΞ��'�84�Z=�o'K@��Àq��L ހ�HT���� �� gQ/�82��Q�d�V�<������d"ûF��VdR�)՚o���UxQv��7�0Oi���.�%r���y�������XW�e�j>|�w��p��� �����N�zɌ�~�Y���J��+x��J+�4�7�پ�2�Ȭ݌��R��!r%���غ�=�e87|F@^���jK��Ag9L��/ �N�H���!�Uz��d�|LJ�;��d�؝WT�zqD[�S ���t��D�N��A�fY6���ƾ���q�������n�*�({q�5����E�t}�L �.�T��y��Q�_����?vFHu���˝N�v���E��ވ BH�Ψ�ٺ0�O���� ��?��I endstream endobj 17 0 obj << /Type /Page /Parent 1 0 R /LastModified (�IG�Y�:yT ����sn[�wn�) /Resources 2 0 R /MediaBox [0.000000 0.000000 595.276000 841.890000] /CropBox [0.000000 0.000000 595.276000 841.890000] /BleedBox [0.000000 0.000000 595.276000 841.890000] /TrimBox [0.000000 0.000000 595.276000 841.890000] /ArtBox [0.000000 0.000000 595.276000 841.890000] /Contents 18 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /PZ 1 >> endobj 18 0 obj <> stream ˰�%p*��u�<��1�m�r��3nj\�7�N�it?�-���]�مr����LW��VO���ߣ.�;�F��o��S5���yF�p�9}��49n9s/е5�X9���@Y���YK���a�O���p!O0󉧽E�G:�P��K.�t��TR���;CŹ�T#�Oi!{M]4�;�O�� �.�� )�� ��དtj�~����|��-{m{mӤ\Cû:��%���5��7?��(�JZ(ѩ)tT�>�!�k���+gG�ؔ^H�L�J���{�8��,�P׆����(�0�}�_ꭠ� �+Ю��u�s=���|e�4�u ��Հ�$�[��Q:]'��#-f �`&����w<�]�˔������#�WPu�o9}R����ͳc���mo���Y�Ȋ�~Q�ۏE���_B�#x ����@��� �޼A/�J��3N Q|�֎���O��Y�za*!�[0Ẃ��y�,138���.����ڌV` �J� �6{'>���$�@�ky�L?NjY~�社�\r���n�P>{���q�1��C3�DX '91ñ���bi��X�&̊��> /PZ 1 >> endobj 20 0 obj <> stream �b~��ӕ5�=�ʐܮ-����n��M>��n�I{.��E����́y���Y%삕���ۉM ��.��P��f{����aLS� n3��d���sV�7� �:T�H��+�ύ�"��J� ����������]d8/�|�Ռ1��9Ws�o@�?K��C��Q� ~�^ �����c�;2Q�(%Q�f;�j]'� �&�R��ޝ�'E�JLj �� ԋ�E��:��m�j���J[F���{����t���^�XtZ�v)s���s�zb����՘x0�(�Zm2ڤ4���Y���RR-��, `�[l�bFNd ���>e}��I�td}� ����2����o�zɧ<���Y��끥�s��:�@N7 ��S�W��������>�)I�BR��\@`�@�k� �ς�X��j �C����5�L�s�� W����}�;�����z��r0z���„��;BG��p� J@��U{N���S��B@��9�1�1N� W�-Ȣ�%���y��0$�q�����k��<*��l��P� �>� '�p�ߠ~�ыTg������m�'w�!Z�W{>��x�˖���`��J?%��+�X�^KO�b O��q��<%�V�(K�8?>� ��y"��v�<=��h�ѽ���r����txԧ�d��3�}�3��¡�+Zw���7���Ǥ��)4H�S��[y�Vm���) ����,7��uuu_2��c� endstream endobj 21 0 obj << /Type /Page /Parent 1 0 R /LastModified (����}6<�~���l��4��"�) /Resources 2 0 R /MediaBox [0.000000 0.000000 595.276000 841.890000] /CropBox [0.000000 0.000000 595.276000 841.890000] /BleedBox [0.000000 0.000000 595.276000 841.890000] /TrimBox [0.000000 0.000000 595.276000 841.890000] /ArtBox [0.000000 0.000000 595.276000 841.890000] /Contents 22 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /PZ 1 >> endobj 22 0 obj <> stream �D�/�H~Q�d����;i�eN-���^71��jP��T&?&i�����?$zR�]c�6���� %�B.����+�{�X�oZ|Jdk)8ԞD�����Ōt�1� ��[�/�3l��v��n��j̳�W"�`Y��,� ���B������o#����mtJ���{h\�1.�*�􈤗M���K�7�%������w����HɠT��5E�@K �Q�65�"�,B�(��-/��{��&�d�+߯��ﴟ�J'ϰk�R�ɓ%�u{�iU �Q-.��|��p�y�N�: ���ex&.s�S������"0���e_ 겈K/Fw������wT��X�>5Yt�H6�scO�ؖ �<���cB?�wt]�$��$�:)�W���s 5ڈD�6V����A8ă��,D�ha���a�8�p�0�[�ۨ)h\�AQ:��4Pj�S��Θ��e0�_�}x�ɇГ4TL|�����k�,��ǑX�.��~T�I,P�����)���n��l�� �|?�o)���n��@����9 3,#t o����`HL -��d�χ���Z[���REڌ����5z�_pȜo޻:L�E x�����37�\84!Dh` ������R�_�/��r�^�T=���P�F��v= �h��Q���cxc腻��/gK��[e��<�,-��>y��VW��K���Dm֌ρ�^���X�0 �y��&q���I��*B5Ė�I��H, endstream endobj 23 0 obj << /Type /Page /Parent 1 0 R /LastModified (�ؓW�_2WW|�������) /Resources 2 0 R /MediaBox [0.000000 0.000000 595.276000 841.890000] /CropBox [0.000000 0.000000 595.276000 841.890000] /BleedBox [0.000000 0.000000 595.276000 841.890000] /TrimBox [0.000000 0.000000 595.276000 841.890000] /ArtBox [0.000000 0.000000 595.276000 841.890000] /Contents 24 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /PZ 1 >> endobj 24 0 obj <> stream �\���c�e�1� �m�=��SLo��]��6"����s�u:ێ��ē��� �=n�J� d��r WE���&�0����QHw�=���>��v> /PZ 1 >> endobj 26 0 obj <> stream "rQ������%��U~[����BI%�fr�I+{��/ [Nd���}�r��Ҋ��Q��W3�����'0(O� ����S[S��� ���-6Ȏ�3����B����z�؛́�uM��x;U&��DvF�u�~�9`���ց%�i�2����u�y��e}ޯ�w���7 ��#(q�J�"�X�hݖt|�N�pp���@9�!�Ҝ�m%y?��0�#��T���{�x���͟wp2���X�ZOGlw�ז��&F�Y^�����UzmK�ѵR &��Qց?,�͊w�J����g��<�W( $l�6k�Č��V}%����K;������f"��e�>ʊ�Ɩp�00Nm�!T�h*{剛���A�|�9V}o[ �ebה|�[�&��'*�Re[��%Yj-�L� ��a�x�'�L�bX ����.�'�Ɋ�����-��#m5�-ݛ����x�T|X��.�t~N4@J���On .�<������K�����?:�kL���;!�!�v���fH`��F� �~��͡�u�cM�j%mM!�ٙ� �U#�7>,]����Z�wyvg��E۱��:���2VB�$/S����řxY��g��A�l�F��R�������\�sy��+L�z� y��z�~ �rd�8��N�i]�ٵl�2`oh ��M��|[����î�]W8��AkR1)�?�� ���0hl���3e���:ފ��{ݧf�5X� g5�a��?4��{I܉� �����DoR�������x�Ey�x�`��(L;����Y�m;ϙ��Oo�zi�F�k~�i�]�XZg�Y�(�j�Beb�"���8��ٵV��� endstream endobj 27 0 obj << /Type /Page /Parent 1 0 R /LastModified (�:����Z5�9p�o��Ֆ%m�) /Resources 2 0 R /MediaBox [0.000000 0.000000 595.276000 841.890000] /CropBox [0.000000 0.000000 595.276000 841.890000] /BleedBox [0.000000 0.000000 595.276000 841.890000] /TrimBox [0.000000 0.000000 595.276000 841.890000] /ArtBox [0.000000 0.000000 595.276000 841.890000] /Contents 28 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /PZ 1 >> endobj 28 0 obj <> stream �!V́�jɉ�M/zї��@�ҩ����A㸷�wc��?g� 9 `��\�/�b^�7�7A�-�$�7���m�1�T?��)Jg�U�4i$ZV�܂��(G��A��ڪ �n���%�q�KF@?cw�&G�<��(��l����`��4 Dp��e`�'����Y{^bz�a1��2���o�u���w�%4}tX����!)���#��R�]���,����@�b�mH^ o�5p\���=���5s U��b��/ |�2/��-��.��^x��ZB��#>��Q���j3�E��f�� 1Sp�>�� ��;ָ�V���j��v�pI& �/�U�T �4�]��/��K�7�����(ʼn��d!���4l�o�KU����Mr�ٴo���t�$���Y2���({=��W����D�'����,�5o/+CQT�[�IK����.5^������R(L����Q���/L��~85#ؼ(>�r*/~��T�&��2€���総�,*��e8�\G��5�`V�fu��v����4f��_�?��������tg�����.�l������'@T֯�� [&4L"��Z @x$���z��f��}��ZҊY}�N�0]Y��k���H���tz�� ���5��C���B�4�K��D/�oa\?e��iƛ�泓�i��iN�sf(�:���XS���}�T�m��r��c ��PF �� �<�����o6=�k�%�Tm�aq7܎31|���1������؎���ժ���Alr���V[Uv���k�>�N�owZ��p endstream endobj 29 0 obj << /Type /Page /Parent 1 0 R /LastModified (s�q+z�gѩ�Y�fJ��A���Й) /Resources 2 0 R /MediaBox [0.000000 0.000000 595.276000 841.890000] /CropBox [0.000000 0.000000 595.276000 841.890000] /BleedBox [0.000000 0.000000 595.276000 841.890000] /TrimBox [0.000000 0.000000 595.276000 841.890000] /ArtBox [0.000000 0.000000 595.276000 841.890000] /Contents 30 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /Annots [ 9 0 R 10 0 R ] /PZ 1 >> endobj 30 0 obj <> stream ��)������mQ=��)NW��d��\�<� ��<�(�W+��w�����Ԛ��b��*�1��ʦ�R��-�.�����($���Q��r��Na�K�կ�R`Z=�cS8g�V#��˓vVh�H0�0�����񆜼�[��(�}G9���/�:�K2��3�_�v[�mB/ �g�!��0��6m���d����:�\��ã�<� ~��eY�4t��-�>5/$���U�YTux�{�;]��F��%<'y�� ̤�2�y�1{��j1�2�Jk��:��0<țu ��t��an�L�����<|��E=%�k�٠���bJ�p��vzu*�`95��9Vx��e�2@�峾�\x#�3�:y�}i`�,����q���Q\� >�a8١8]�fU�ʳ�~�Q�׎�kN�e�������͇ۅM�� �!�1*�L&NQ�U�y�2\4 4��|��MY!1��vi��]��g'!���n�T�޲����@H�;B6� ���q�dw�J����FE����xt��01��>?Pn�t?�'��4�����s����� �������t�s-P����G���U�3�7�{w1����MĥG�e�*fT�"� ����X. X���:=�| endstream endobj 1 0 obj << /Type /Pages /Kids [ 11 0 R 13 0 R 15 0 R 17 0 R 19 0 R 21 0 R 23 0 R 25 0 R 27 0 R 29 0 R ] /Count 10 >> endobj 3 0 obj <> endobj 4 0 obj <> endobj 31 0 obj <> /FontDescriptor 32 0 R /DW 1000 /W [ 1 [ 278 278 355 556 556 889 667 191 333 333 389 584 278 333 278 278 ] 17 26 556 27 28 278 29 31 584 32 [ 556 1015 667 667 722 722 ] 38 [ 667 611 778 722 278 500 667 556 833 722 778 667 778 722 667 611 722 667 944 667 667 ] 59 59 611 60 62 278 63 [ 469 500 333 556 556 500 556 556 278 556 556 222 222 500 222 833 ] 79 82 556 83 [ 333 500 278 556 500 722 ] 89 91 500 92 [ 334 260 334 584 ] 100 102 333 107 107 428 109 [ 222 222 333 333 ] 127 129 584 130 [ 422 561 561 713 823 561 561 549 561 600 549 418 584 800 800 506 506 ] 147 150 584 151 151 549 152 156 584 157 [ 549 561 561 740 740 667 222 372 1022 ] 171 [ 667 1073 823 816 ] 175 183 600 185 188 713 250 [ 278 555 832 933 667 ] ] >> endobj 32 0 obj <> endobj 5 0 obj <> endobj 33 0 obj <> /FontDescriptor 34 0 R /DW 1000 /W [ 1 [ 278 278 355 556 556 889 667 191 333 333 389 584 278 333 278 278 ] 17 26 556 27 28 278 29 31 584 32 [ 556 1015 667 667 722 722 ] 38 [ 667 611 778 722 278 500 667 556 833 722 778 667 778 722 667 611 722 667 944 667 667 ] 59 59 611 60 62 278 63 [ 469 500 333 556 556 500 556 556 278 556 556 222 222 500 222 833 ] 79 82 556 83 [ 333 500 278 556 500 722 ] 89 91 500 92 [ 334 260 334 584 ] 100 102 333 107 107 428 109 [ 222 222 333 333 ] 127 129 584 130 [ 422 561 561 713 823 561 561 549 561 600 549 418 584 800 800 506 506 ] 147 150 584 151 151 549 152 156 584 157 [ 549 561 561 740 740 667 222 372 1022 ] 171 [ 667 1073 823 816 ] 175 183 600 185 188 713 250 [ 278 555 832 933 667 ] ] >> endobj 34 0 obj <> endobj 7 0 obj << /Type /XObject /Subtype /Form /FormType 1 /Filter /FlateDecode /BBox [0.000000 0.000000 595.276000 85.039370] /Matrix [1 0 0 1 0 0] /Resources << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Font << /F3 5 0 R /F2 4 0 R >> >> /Length 204 >> stream ��A��R�!��i^t)�lޠ�QGO���7DSL��g�2� � �D]�f��iq�^�hz�Y�����վ��*c ��J �,cl�(H�w� ��'q�����g���9���� �G��}��"���jrΖ0i����< ��]��q�2�fl�Tq_���s�ƀ?��r�_὇kΫ�JL|���K8�y3ٷakK�N���*�D�{. endstream endobj 2 0 obj << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Font << /F1 3 0 R /F2 4 0 R /F3 5 0 R >> /XObject << /XT7 7 0 R >> >> endobj 6 0 obj <> /H /I>> endobj 8 0 obj <> /H /I>> endobj 9 0 obj <��\(�a�d0�9����Bf�+�h�@HwY`�e)>> /H /I>> endobj 10 0 obj <> /H /I>> endobj 35 0 obj << /Filter /Standard /V 1 /Length 40 /R 2 /O (��<�ڱ�MA�s3��9{�#��>����%��) /U (�$������Ƕ+�Ԡ���Y��$ÚO�v�) /P 2147421956 /EncryptMetadata true >> endobj 36 0 obj << /Title (i6����� h\r�J}���G��J����;˄���<�Q����F�@B�`���ηUp��"��W6E��N�F�&�) /Producer (i6־�m�xhf�X}���G�����4o���� ���?[Ź��W��>x��� ��"��+CF��4�$> endobj 37 0 obj << /Type /Metadata /Subtype /XML /Length 4308 >> stream application/pdf 2020-2025年中国合作基金会行业市场深度分析及投资战略研究报告 2025-09-05T14:55:58+08:00 2025-09-05T14:55:58+08:00 2025-09-05T14:55:58+08:00 TCPDF 6.2.26 (http://www.tcpdf.org) uuid:2ee0b424-1cf3-36ba-291f-bd24cda9a52c uuid:2ee0b424-1cf3-36ba-291f-bd24cda9a52c http://ns.adobe.com/pdf/1.3/ pdf Adobe PDF Schema http://ns.adobe.com/xap/1.0/mm/ xmpMM XMP Media Management Schema internal UUID based identifier for specific incarnation of a document InstanceID URI http://www.aiim.org/pdfa/ns/id/ pdfaid PDF/A ID Schema internal Part of PDF/A standard part Integer internal Amendment of PDF/A standard amd Text internal Conformance level of PDF/A standard conformance Text endstream endobj 38 0 obj << /Type /Catalog /Version /1.7 /Pages 1 0 R /Names << >> /ViewerPreferences << /Direction /L2R >> /PageLayout /SinglePage /PageMode /UseNone /OpenAction [11 0 R /FitH null] /Metadata 37 0 R >> endobj xref 0 39 0000000000 65535 f 0000013458 00000 n 0000016702 00000 n 0000013582 00000 n 0000013688 00000 n 0000014943 00000 n 0000016837 00000 n 0000016220 00000 n 0000017052 00000 n 0000017301 00000 n 0000017548 00000 n 0000000015 00000 n 0000000485 00000 n 0000001032 00000 n 0000001502 00000 n 0000002714 00000 n 0000003167 00000 n 0000004448 00000 n 0000004900 00000 n 0000005814 00000 n 0000006266 00000 n 0000007091 00000 n 0000007543 00000 n 0000008431 00000 n 0000008883 00000 n 0000009542 00000 n 0000009994 00000 n 0000010920 00000 n 0000011372 00000 n 0000012265 00000 n 0000012742 00000 n 0000013829 00000 n 0000014691 00000 n 0000015089 00000 n 0000015956 00000 n 0000017767 00000 n 0000017940 00000 n 0000018219 00000 n 0000022610 00000 n trailer << /Size 39 /Root 38 0 R /Info 36 0 R /Encrypt 35 0 R /ID [ <2ee0b4241cf336ba291fbd24cda9a52c> <2ee0b4241cf336ba291fbd24cda9a52c> ] >> startxref 22820 %%EOF