英语词汇“parfocal”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	parfocal
释义	parfocal parfocal (pɑːˈfəʊkəl) adj (General Physics) optics (of a lens) maintaining focus even if magnification is changed parfocal par·fo·cal (pahr-fō'kăl) Describes a microscope with interchangeable objectives that do not require refocus. [L. par, equal, + focal]
随便看	double acting double-acting double-acting butt double-acting compressor double-acting door double-acting frame double-acting hammer double-acting hand pump double-acting hinge double-acting pawl double-acting pump double-acting ship double acting tanker double action double-action ankle joint double-action die double-action forming double action kellerman double-action mechanical press double action only double-action shock absorber double active universal joint double add double address rate double after split

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parfocal