concave lens的意思
concave lens中文翻譯:
[光]凹透鏡;近視鏡片
convexo concave lens───凸凹透鏡
concave───adj.凹的,凹面的;n.凹面;v.使變凹形
lens───n.透鏡,鏡頭;眼睛中的水晶體;晶狀體;隱形眼鏡;汽車的燈玻璃;vt.給……攝影
concave function───[數]凹函數
concave shape───[醫]凹形
concave polygon───n.[數]凹多邊形;n.凹多邊形
concave mirror───n.凹透鏡; 凹鏡
concavo-concave───adj.兩面凹的
concave upward───凹向上的;凹向上;[醫]凹面向上
Plane mirrors, convex lens and concave lens.───平面鏡、凸透鏡和凹透鏡。
Just as a double convex lens enlarges so a double concave lens reduces.───正象雙凸透鏡可以放大那樣,雙凹透鏡也可以縮小。
The invention provides a method with a concave lens focus as a welding heat source and a welding device thereof.───本發明提供一種以凸透鏡焦點為焊接熱源的方法及其焊接裝置。
Just AS a double convex lens enlarges, so a double concave lens reduces.───正象雙凸透鏡可以放大那樣,雙凹透鏡也可以縮小。
A concave lens causes rays to diverge as though they are coming from a focal point.───發散透鏡使光線分開,就好象從焦點上發出來的那樣。
Measuring the focal length of concave lens using collimator───利用準直管法測凹透鏡的焦距
A Method for Measuring the Focal Length of Thin Concave Lens───一種測量薄凹透鏡焦距的新方法
Simple Method of Measuring the Refractive Index and Radius of Curvature of Thin Convex-concave Lens───測定薄凸凹透鏡折射率和曲率半徑的簡單方法
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