%PDF-1.7 %���� 11 0 obj << /Type /Page /Parent 1 0 R /LastModified (\r#u_m���ylj��,W�) /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 ��ۭ,��b�%�n��w�ô����t�ȜPk�H;�+b<�֫|��$�|H��h�Ԫ~�&�1q�˼�� ȹ��6��&�xK��a'O��k�Z\� �e��%�#+,hw�Flr:�k:E��x���F[Yu�L��~��o��L9�R���;�ª68u 'c��]��'��`$Ұ�\�hr�˿N;8�`�/h�5����8֙�6Ϻ�s���E�~�Z���_�р�H��N� �KL���E��;?KԮh�HU��*.!ϙ�� J�̙f@-:ͥ�|�]@MZ�1o���N۱��Z�����gZ�Zch����)��� ��%�x�6Fy��������c=��`�5$� �|��縹� �_Q�ۙ.wE\�����?�'�"giN����sY%��پ�}�e�C���� �1a�jF(1������ կ�s��p0�/QM"Mݳ����m��z���W����6�ؿ� endstream endobj 13 0 obj << /Type /Page /Parent 1 0 R /LastModified (�D����3L��##�wy���f�&) /Resources 2 0 R /MediaBox [0.000000 0.000000 595.276000 841.890000] /CropBox [0.000000 0.000000 595.276000 841.890000] /BleedBox [0.000000 0.000000 595.276000 841.890000] /TrimBox [0.000000 0.000000 595.276000 841.890000] /ArtBox [0.000000 0.000000 595.276000 841.890000] /Contents 14 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /Annots [ 8 0 R ] /PZ 1 >> endobj 14 0 obj <> stream ������� ���8�ƍcB�R<�kU8 @�������Ǝ� Up����ea �m!8,*����R��C'�w1� ���nr}��p��� Oe���vҺ�W��֗�8uQ��,�$k�U�k'��:~��\��S��`�qS�_ߖ���I����F��*����Ƨ ����3u��tL� =����nPP�T����l�R���q^�����0� ��ܫ��$صv�֕�Ed��k��f#�H����PG"‰곔{V��'�Z��8����T_Ϋ�$D�7(|�G�@��ά=��SY�R��i���i�V�g�ؔ����>���7HW3�%�d�o!�g�^���#��''�`�9� E�㶻��� ^�Wbݑ� � ��s�����<��x���g|��떥`�3�کW��0�Q**_���2�;qrƦ���f; mMF��$��mU���,�:�)7�jXky��׮d��Vl.d�'�ٛh �C��͗Fu�-K�n�K`�b�<���>���� �*��^��a �p]����S� ���p�<���)bd�`��Ӿô���͈��{� d�����p��CI���".hjAKf '�'���);�x�������0��Q�f�|�P_���  �{Q78�Z��,bm �i�d��RuTJ�F'u�(�E,�#������t�kRP$�,�(ք�R?�� �:� ����)�����2A�@u�Q�n�X���Xjq���j+F�T�:Y �d�rv+�>���'�F��w5E��_�b���� '% ʐ M��&Y�պ�oJ�3�@���0��ӕ�%���X�m�� s-������m��-���=G]�����+9~�`����o � �8M;$�E�M�Q�3��XZ�ha��r�� �����ga��E��؎��E�h�]����l��x����Ӟ�sŠ�@�X��^�^8�.�#�:��4H E���~���L�d�8�$BjtWU�ooTM����Z�yXIWx�_Ή8�p�~Rō��u�D]T�I�$�L��� )+��=��:�W[��d%��s�9��Twu��t��u�) /Resources 2 0 R /MediaBox [0.000000 0.000000 595.276000 841.890000] /CropBox [0.000000 0.000000 595.276000 841.890000] /BleedBox [0.000000 0.000000 595.276000 841.890000] /TrimBox [0.000000 0.000000 595.276000 841.890000] /ArtBox [0.000000 0.000000 595.276000 841.890000] /Contents 16 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /PZ 1 >> endobj 16 0 obj <> stream c�����i�,v���hc�`��-O�1=0����<��Gv�H�E��`Alg�'��Y����ba|L���ӛ��[�NH�`����Z���I&R�h����/�6"�4W]?����0Q��8��1���h5� ��j}v Z�d��+M�*+cx�c?qWzH�Ud��O�0�"��J����z�nKj9aP�����M����*�(O�l��xW��&{�r?��������{ DE��u�뗗(1�-,Oű|�.�M2-��sq��ESm��H ���Y['�#�O��kWM„�t�p�{�ǰ �&0��5G��J����'.;��]K 1��%)(59�����KXCDl�W B8�?Vş~_���� �,����HGL��2ö�C�Г����Lp�i�n2������$y�.�V�m��E����DA�_���?�֚  X����*ȅyk���?$X��1&�f L���+��L�,�[�MZN�� ���Z����������;BR��ޜ���c4M���������;��e1� @@�b�r+J; ��JDj��X���:���<`;���@\m��m�1>�Ѓ���������L�h�1�! c�����3�c��~jci��"�(�M�dFO����ck]|*�zD��P�u2bp(V\�����{�V�5��4m�~^3+h�W�i#���/ ή���9�ɦ6�^ߦ��nˀZ=eNҪQp�=��wp5��8�L;�:l婉̱�a�V=~����t�L)�h'�Rf��M�|ܰ��;�'y�n0��C���u�J��Q��m���@�����0�&��AIb @ ?��_ς�,��UQ��9nT �J��_���գ�*/�3�O��=>m���D��1&��\���,ڬ��D���:xy|�2> /PZ 1 >> endobj 18 0 obj <> stream "���v�?淋`\3�cc��`�ft��)�'(z��7��׬�|e76�RO`�k������~�~e~2�� ]����2�Qa�=�����3,q ,��J ��**��>� �Q�O���6�y�MI��L��v<�G��&O�H'�in���!��۵�O�;��5��N�5���f�9��=s��@/���[����޾�"�6]�h��|�����ã�b�b%�C㛥5uGv��|�V9�P x��K$�Sl;�o���U�t�%nRQ��w��_Fʖ�V�4F']-^�m�Hh�����}�[�z'Fqc��Q�Y�6I im��⃓զԥ�Z�n�QM�Ǖ�O��Rj� �;AF9�)�����b˒�y_�#��-���PO�r�Y �O͎m��3�9�ʼn���c�{ă2�ß@��H�4���a�|qP� �i���m�g�&E��u�X����7���v���X��9�a�3�������œ A�R?�uBUlB[���8�����w�yce�P�9P_+��[� �G\����oR�����gI��@׮��9���i�1�hwr�OƎ�~��> /PZ 1 >> endobj 20 0 obj <> stream A��� �iɡ�o�C څ��vg�`�M�5�!��ݖ`�Y�-b�A��L���K&�������(X�-ȫ��V�>���B�?�z��a��4�p�:�xt�D�A��ߒ~��^����4u����n�O�Z9,LS�� q1�-M�<ì��g�`��0[a��eB߰g�PNH~�V�՜��<�;�jt�8n���2�y���&��M1�=���_+�]�yrn� �\� oP�̪�l�j&�DA�>z�>�o�!4�#j)]�n�夯c��о���~��Î����4H]wp���L42� ���A��b|����_�e�׸�% ��)����y� w��y�L�����.��Ç�!�5%'�� �R��$g����KZ���u�d�,v�2\+���fC���_S�c �<��ծ��)-�n�P7%������>2C���=Ț�Yp=�Ɏ>L)��I��pL֩b_��E�G2�>�"��+B�|��y�X��S���5X���:��=%NB�j?�� \j�*U��9�7Ӑ1�g޷�eg Q�B�o��[�D ray� ;����JPz�O�ċ�+��@�R�M�]L��x�H��Fį��#���E��� N�����ʘ����E��B�Y��$P�)���<�mS�v����f|��r�օ 8 �m���¸�˘�Z~������wh���<���� 7��6����n^�\�n�i*��Q.F0�7��(���dX����b����ߡB�<.���.��4�\:��cF�~��<��R#>�k��'�Kr#�Z� endstream endobj 21 0 obj << /Type /Page /Parent 1 0 R /LastModified (�{���;��D�ϯPa:C=�) /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 /���m�Ԣ\;ί��(�D�fջ+0զ�J�ˆ�����|����^j�{.xͭVra�p ��qɀ7�2�lU �H��c SBO�4�\��w���m�ԡF1��H�Z���c�613�@� Jqb��F�b�V Fsg�mhJ@gg��##'2�"�x��/dz�R.&�V�J� ^�[�$��i=�c���Q���C�S��"#cdf�s aG~pM���Q6�j2ٮ��d���'kPB뛴¦d����3��4���)I�2�z�����-^��0��V�}r�{ ��9�9|� �wG�x�n� �:餐�l��s+�$$���ֺ��v;�X�����4q�z[�Z� �὚�z��}�uW�m�K:��eP��1���(#{v�o��H! D����L�]�QM���� ���Dl�/��#��\I�v,�9�I�Ka��.bJ�:b���QG�i�+�rA�)�F��Yj�5gѡjd �H�]6�' �����f�.l���& hRxr���;�Ĵ����*޳����L����z �!��}I��*$Z��F� ��D�; G뇝G�/VT�����/^֬eS�,����-�{G 3L45�D�R1C8���*��eD��ur,��I��M�n�| �1ѥC��HfFk�Lnz�؀�ۂ�cBpR�6�,��$����c�袇\��2����L�,�b[[k��'�(�!�\�O����]�Ỵ9F�tp:*[�{$$Tx����%A�d�Ө��������H×~� �Y4�����)͜��S�!H��V���PH���Q�\K����?#��u ��ޟү�"vF�.�p��=�=�%����ke�IL/�ٻ���癇��h��i�b�H��� endstream endobj 23 0 obj << /Type /Page /Parent 1 0 R /LastModified (t@����e ��9��WI�Ynm) /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 ��r??��ǘ4�9��WhF}c ��z��k h-+L6�Z� �x-\��.Hl��ci��EE6�hN蘲zN��e�W[g������/�6c��j-� �����?�k�A�޼+d!�}Ai�c��a�D��nC�҄�ֶM�}! �a�o����7t��摿�ʾY�zK���-ZY��×���'��юZ��ݔ$��*�I�Bu-�xl�B�rY,�G�>� +R�6À�6A1�c���g�mYp��-��_����–2��ʗ,�f;�ZT)ȟx�}m{T[���s�����)�L��r�����1�ư=�#�qV>�8�d��ѥ�|���1� T�I5�F�)|mT!x���;�+��^����,�,�i���#�t��_@i<�+��v ���ǝt �Ǹ��" ������F[s��P�|�g?�;b6��"ܒw����\�R�ޛ�S ��Ly(/k�Ui�J�_b���Y4��/��z �X�- $[.�K��1���;��!�� �^�^W��d�H�?�@F��p������ί�,v���b��W���b�(�>td�%y!�Jm��:p��ǝٽ\�������` v�X��nA  )��;��0��Ţ'���/m�~l$Lͨݍ2k�����^ɐEp`O���'��� �{��X7���!R9_�� ӳ�:�Y|��Z����i���P���⑝�) �p"@Q8o1�@n�E� %�� f���yԧ�n�!�p�=,ݙq*6�������" s[��ϼ�R?W��@>��3��Y��� ��ʾ������j9���aD��4b�w� endstream endobj 25 0 obj << /Type /Page /Parent 1 0 R /LastModified (r��~W� Ӗ���ןg"a1��s�) /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 26 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /PZ 1 >> endobj 26 0 obj <> stream ��'�T,B���7 ޮ��u�jN� �\D��t� :��@b^nЂ���E�T[�:u�(2J!�_���hϦPW�50��nj}������mHS�LJ�jm���,&�aHReo���� �����r*��5lO��L�Q)�I�S�ſ�H���Av���̹��@T�7�� Z�RYTX�%�[WG�@r��e1�!�p4�Cp�Pz���~�k��d����{.�<��ȃ]xdtʱ�%�$ p*���{{g�A�d��ߝ�.HA~e���G��P����-)�,���,�v�� ���Ȭ��7�3Z0��u�m�KW��WR���A@gU�v�/�T j��K����6W�+W�h\;��:��:���˕��c�����C�v.����N ��6w��H �F(�� r { #MF���J�� �������D��n�=υ�12S�GM�.*g���ÏŀJMƿ3S�x�׾x<�������Y+��~זǁ�.C'P��Q\�1���xj)9@e�%$�}Q�$�+��j����F�o[(��֮�c�QN��M�����Vۧdq7kې1����<�=����sҾ�8ܥ�X��o&���BL�@�u�8���I��)^~Ie`!�̣j�>R�j�~$�> /PZ 1 >> endobj 28 0 obj <> stream Ꮯ��~9c��ȝLʟ�y�OV�o@T�J1*�J'�]?,�Q{����#�}!����������磕�R�����v���5j(��6��3���r^�W�RT}f���̬lߠ�܎!'����q�b���0-�7�:\�w��ҥ��L�K�~������׆�Bْ5�e D�_���*~[�������iѵS�Qz@Xj�����&Yb}����B� ���$�x��h{k�*g�U�<�wy�rh���Z(ү�h�0�� RWI���-nX�_F# ��j���*����7�ĪD�O�4,[����:E�5��3��8�۪*}i7��7� �<�8:�4�n�أ�[� ��f�a�|���H�ǹ²�/�>fUE�}��͟�e�&���3�,�T,b�H���~��:��k���Q3d�s���0hL㐧�%����KK o��vC�F���%�w�Rֲ��yn��� q�ޙ�|�yp�J^��ML�[���J�,����k�_T����ɨl�R`�]�Nj�J����'x�0纉1��&���ғw?�_-(5j��i�d����A�H�׹���n�`�OĚ�ze#X�1�v����>2��9$ F���� �l+�ɰ���MD?XL�H�Ѱ��ϼP��*,�7��}�W���S�'�f�|o�̉,����Q3�J��qm���E���l�U$���'�O�-�[��kӴǛs�ɬ+|5̳�8{��aw� �7���]�k�z��&w�L/3C�)�33tK�C����$ endstream endobj 29 0 obj << /Type /Page /Parent 1 0 R /LastModified (h��%&һ�:�E�].ލ+J1�) /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 ��d ���Ik_��6j��~}:`[��l�q�A��&�b�B�U� Lף��6c$�h(���6�����W�["���%�">"{��3X���r�K3ϋIPwQ����:�t�7��o��yqAd�E�:��x\ �;F�Ky��Y�k�Թ�J�C�(T�������I��m�C�D�7�=:2�m{�V�ѡ��Pf���R׆�7��%��^A�6��m��%*��4�b\Z�4㫽�O)/��u�)A���[nQ=�F.j�ޑ]�.���ߒЭ�Gr1��ؚ".}�<��%�t�n)�^��5m}ݍ�:'�����A��W�>z�]� [��3y��mV��-�1���󱲵�?�0@!ҍ���r��i�Rw/������Y�7�Ļn)Ԩ<�3k=����.�d�j˸���������Wj���Mnr�ME]����#���M�[�r�QZZ�W��z�B����ۮŖ�N��v��c9�m��a�� ȱ�B �?�Ű�G�2O�qn��8,j$|��/��OkXl��Y��q%�|����<]�lLR��"�Ж�<��y 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 �� Љ`�S��izQ���)R[��9�0�Vd_��ڌ��臬�f8~F`���LT���F F䖔�̺v�.r�"%�������Hbt�}c�!�Y��D�+#����Qg�C�J�"�:�G΃=V���V������)$��;� �)P�B�A��l�����eεAM�)��7��{�� 5��޵R���D.h�R������ 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 <�F���c��.q�������dc�:���1���i)>> /H /I>> endobj 9 0 obj <0i�mۅX��"+�9�|!C��2�p�#Lb)>> /H /I>> endobj 10 0 obj <> /H /I>> endobj 35 0 obj << /Filter /Standard /V 1 /Length 40 /R 2 /O (p�e����?����g]LVn~��h����B�) /U (dT�:p�/�i0F��=��\r��C��� ��<) /P 2147421956 /EncryptMetadata true >> endobj 36 0 obj << /Title (��C�_��^.�dVdGW���<"���Q\\8.���D�l���N5�\r%�&�ɱ0L�y\\\\!�) /Producer (��C�_��^^�sdDdAW���fl��\)�K:�,#� ]�DT��F��ZQD~dǏ�B��;�i>�u�_~��) /CreationDate (@vq�m�'�n#�UPVC|���xK) /ModDate (@vq�m�'�n#�UPVC|���xK) /Trapped /False >> endobj 37 0 obj << /Type /Metadata /Subtype /XML /Length 4305 >> stream application/pdf 2024-2030年中国场景金融行业市场竞争格局及投资前景展望报告 2025-10-09T21:14:24+08:00 2025-10-09T21:14:24+08:00 2025-10-09T21:14:24+08:00 TCPDF 6.2.26 (http://www.tcpdf.org) uuid:75caa98e-5372-ac76-f7e3-8739d9c4cbef uuid:75caa98e-5372-ac76-f7e3-8739d9c4cbef 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 0000013726 00000 n 0000016970 00000 n 0000013850 00000 n 0000013956 00000 n 0000015211 00000 n 0000017105 00000 n 0000016488 00000 n 0000017319 00000 n 0000017581 00000 n 0000017845 00000 n 0000000015 00000 n 0000000486 00000 n 0000001032 00000 n 0000001502 00000 n 0000002737 00000 n 0000003189 00000 n 0000004450 00000 n 0000004902 00000 n 0000005838 00000 n 0000006290 00000 n 0000007185 00000 n 0000007637 00000 n 0000008584 00000 n 0000009036 00000 n 0000009915 00000 n 0000010367 00000 n 0000011226 00000 n 0000011679 00000 n 0000012617 00000 n 0000013094 00000 n 0000014097 00000 n 0000014959 00000 n 0000015357 00000 n 0000016224 00000 n 0000018063 00000 n 0000018237 00000 n 0000018518 00000 n 0000022906 00000 n trailer << /Size 39 /Root 38 0 R /Info 36 0 R /Encrypt 35 0 R /ID [ <75caa98e5372ac76f7e38739d9c4cbef> <75caa98e5372ac76f7e38739d9c4cbef> ] >> startxref 23116 %%EOF