secondary emission ratio信息详情
secondary emission ratio发音
意思翻译
二次发射系数
相似词语短语
emission───n.(Emission)人名;(英)埃米申;n.(光、热等的)发射,散发;喷射;发行
secondary───n.副手;代理人;adj.第二的;中等的;次要的;中级的
nocturnal emission───夜间遗精,梦遗;梦遗;[生理]夜间遗精
secondary consumer───次级消费者
secondary education───中等教育
secondary color───次生色;n.合成色,间色;二次色
emission wavelength───发射波长
emission trading───排污权交易
emission checks───排放的检测
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英语使用场景
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