K-factors
(K-factor 的复数) [医] K系数, [中子]增殖系数
🗣️ 情景例句
It's John. Didn't you recognize my voice?
我是约翰。你没听出我的声音?
Would you hold the line, please, I will find out his number for you.
请你不要挂断,我替你找他的号码。
The development of such a telescope will be one of the great astronomical projects of the twenty-first century.
而开发这样一台望远镜将会是21世纪天文学的一个重要的研究课题。
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