英语词汇“free space”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	free space
释义	free space noun [mass noun] Physics Space unoccupied by matter or, more particularly, containing no electromagnetic or gravitational field and used as a reference.Photons in free space act almost exclusively as waves.... Radiation from free space is a negligible additional contribution so is not included. So they're essentially sitting in free space inside a vacuum chamber.
随便看	acta actability actable Actaeon actant act drop acted-out acte gratuit acteme ACTH actidione actin actinal actinally actine acting acting allowance acting management acting manager acting order acting out acting over acting pilot officer actinia actinian

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