复数： rays
第三人称单数： rays
过去式： rayed
过去分词： rayed
现在分词： raying
易混淆的单词： RayRAY

The previously known most distant object was a short-lived gamma ray burst .

之前所知最遥远的天体是一次短期的伽玛射线暴。

Though promising as a nonlethal weapon , the pain ray has some serious limits .

尽管非致命武器受到推崇，但是这种让人痛苦的射线却被严格限制。

Going this deep would help reduce the background signals from cosmic ray muon particles .

在这样的深度（实验）将有助于减少宇宙射线中的渺子介子造成的背景信号。

Fov is fairly simple to visualize by simply following the ray trace in the optical system .

只要能看出光学系统中光线的轨迹就能很容易的判断出视场来。

This ray tracing , as dr ng calls it , derives directly from computer graphics .

用ng博士的话来说，这种射线追踪方法，直接来自计算机图形分解技术。