Ensure words are spelled correctly. Try rephrasing keywords or using synonyms. Try less specific keywords. Make your queries as concise as possible.

Ensure words are spelled correctly. Try rephrasing keywords or using synonyms. Try less specific keywords. Make your queries as concise as possible.

来自南极中山站的传真电报写道，薛锦同志自赴中山站以来，始终秉持“勇斗极寒、坚忍不拔、拼搏奉献、严谨求实、辛勤工作”的精神，克服极端 ...

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