sighting target 中文意思是什麼
sighting target
解釋
觀測目標-
Precision target sighting - bright laser line for quick and easy aim and shoot performance
目標鎖定精確無誤紅光明亮，能夠準確對準目標並掃描 -
The sighting device of seeing optical system has two kinds of situations which are the main image and the secondary image, the main image which is the indispensable sign of presenting the target but the secondary image is not useful to the target
摘要視準式光學系統瞄準具的成像有主像和副像兩種情形，主像是對目標瞄準的必要標志，副像則對目標的瞄準產生不良影響，為消除或減弱光學系統所成的副像對瞄準精度的影響，主要分析了光學系統中中心反射鏡的反射和有無平行差時產生副像的原因。
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