突然之间，人们拿着“还会出现什么问题”的棱镜来观察中国。
Suddenly, China is viewed through the prism of what could go wrong.
望远镜斯密特屋脊棱镜表面镀上相位膜，可提高望远镜的观察效果。
The phase film is a kind of special film coated the Shimite roof prism of binoculars.
本文借助于在棱镜后面所观察到的在缝平面上的缝光源之二虚像，并通过把它们调至对缝严格对称，迅速达到系统的共轴要求。
Aided by the two virtual images of the seam light source on the seam plane observed at the back of the prism, it can reach the systematic coaxis by regulating them to symmetrize the seam.
不带棱镜的便携式双筒望远镜，尤其用于户外观察远处的物体。常以复数形式使用。
A portable binocular telescope without prisms used especially outdoors for viewing distant objects. Often used in the plural.
不带棱镜的便携式双筒望远镜，尤其用于户外观察远处的物体。常以复数形式使用。
A portable binocular telescope without prisms used especially outdoors for viewing distant objects. Often used in the plural.
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