英语词汇“perfect vacuum”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	perfect vacuum
释义	perfect vacuum 基本例句绝对真空 The food is kept in the absolute vacuum.这食物保存在绝对真空中。 In contrast to the mechanism of conduction and convection,radiation may take place in aperfect vacuum.与传导和对流的原理不同，辐射可在完全真空中进行。
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