“sight unit”的概念、定义、翻译、参考文献-科学参考

单词	sight unit
释义	sight unit [`sīt ´yü·nǝt] ^OPTICS A compact sighting device composed of an elbow or panoramic telescope, mount, or adapter, usually used for pointing a weapon for direct or indirect fire; it may be attached to, or used in conjunction with, a weapon rocket launcher, or the like.
随便看	air casing air cell air chamber air change air changes air check air classifier air cleaner Airco-Hoover sweetening air composition air compression air compressor air-compressor unloader air-compressor valve air condenser air conditioner air conditioning air content air-control center air conveyor air-cooled blast-furnace slag air-cooled condenser air-cooled engine air-cooled heat exchanger air cooling

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