To distinguish the correctness of the questionable data found out in single item check quality control, is a key technical problem in meteorological data quality control.

对于气象资料质量控制中单项检验为可疑的数据，如何进一步判别它的错误与正确，是气象资料质量控制中的一个重大技术问题。

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Especially given its flammability rating, this item is one to keep in check.

特别是考虑到它的易燃性等级，这种物品需要不断检查。

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Upon receiving a request, you can check if the item is not in the cache.

当接收到一个请求时，您可以检查这个项是不是不在高速缓存中。

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She proceeded to fairly rapidly go down the list, with minimal explanation, placing next to each item either a check (good) or a cross (bad).

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Mission managers in Houston, Texas, asked Gernhardt and Reilly to check an item that wasn't on their work order: a motor that drives one of the Space Station's solar arrays that had been acting up.

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Assuming the manual docking goes as planned, China can check off another item on its to-do list as it moves forward with its plans to build a permanent space station.

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