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((收录类别:SCI) AND (资助机构:National Natural Science Foundation of China 60506001 604760216057600360776047National Basic Research Program 2007CB936700 We are grateful to Qian Sun for his critical reading and helpful discussions. This work is supported by the National Natural Science Foundation of China (Grant Nos. 60506001 60476021 60576003 and 60776047) and National Basic Research Program (Contract No. 2007CB936700)) AND (作者:172111-000347) AND (作者:172111-000495) AND (作者:172111-000585) AND (作者:172111-000653) AND (作者:172111-000718)) |