... 哈里奥特 Harriot, Thomas 哈佛光谱分类 Harvard classification system 收获月 Harvest Moon ...
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harvard classification system
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以上为机器翻译结果，长、整句建议使用 人工翻译 。
Cannon was known as the "census taker in the sky, " and developed a stellar classification system that became the standard of the Harvard Observatory.
CNN: The historical analogs of brilliant women
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