power of a lens的意思|示意

Wide-Angle lens: lens with wide covering power. It has a focal length which is less than the diagonal of the film format with which it is being used.

广角镜头：覆盖范围广阔的镜头。它的焦距长度短于所用菲林格式的对角线长度。

It will be used in the illumination system of high power semiconductor laser over a long infrared distance of 100 meters through adjusting an additional geometric optical lens.

然后通过调节外加的几何光学透镜，在长达100米的红外远距离大功率半导体激光器照明系统中将得到利用。

This installation is finally captured through the lens of a camera and concludes a calculated design that intends to exploit the power of photography and its ability to portray false reality.

柳贤美再用摄影机的镜头捕捉这装置艺术，每一件作品都是经过用心的设计，藉以突显摄影的威力，以及摄影如何混乱了虚构和真实之间的界限。

Applying the mechanics of the propagation of high power microwave in atmosphere and the theory of plasma physics, a sort of new conception antenna-active lens antenna based on plasma is put forward.

应用高功率微波大气传输机理和等离子体物理理论，提出了一种新概念天线等离子体有源透镜天线。

By assuming the weak lens focal length expression to be the first term in a power series a simple and accurate formula can be derived for the objective focal length of a magnetic electron lens.

用假设弱透镜焦距表达式是一个幂级数中的第一项的方法，可以导出相当准确且便于实用的电磁电子透镜物镜焦距公式。

We present a novel confocal laser method (CLM) for precise testing of the dioptric power of both positive and negative intraocular lens (IOL) implants.

提出了一种新的共焦激光方法，可以精确测量正度数与负度数人工晶状体植入物的屈光度。