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授时精度
被授时设备(如接收机)的输出时间与授时设备提供的时间或某一标准系统时间(如协调世界时、GPS系统时)之间的偏差统计值。
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cultivated land
cultivated land protection system
cultivated land quality
cultivated land resources of China
cultivated land statistics
cultivated rice
cultivated soil
cultivated soil in China
Cultivating Humanity:A Classical Defense of Reform in Liberal Education
cultivating spirit
cultivating technique
cultivation
cultivation analysis
cultivation history of Porphyra yezoensis in China
cultivation management practice
cultivation mode
cultivation of Chinese medicinals
cultivation of ratooning rice
cultivation regionalization
cultivation technique of double rows with a big ridge
cultivation theory
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cultivator-planting combine
cult of information
cult of the individual
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