light rays

Do light rays travel in the same direction after reflection?

光线在反射后会沿着相同的方向传播 吗 ?

Focused light rays can set something afire.

聚焦的光线能把某些东西点燃.

Optical fibers guide light rays within the fiber material.

光纤在其纤维材料中传导光线.

...the first rays of light spread over the horizon...

地平线上出现的第一缕曙光

Infrared heating is a form of radiation that resembles and behaves like light rays.

红外线采暖是一种辐射式采暖，这种辐射很像光线，其特性也与光线类似。

What happens to the light rays when they fall on a rough surface?

当光线落在粗糙的表面,反射光会 怎么样 ?

Color is caused by reflected light rays.

颜色是由反射出的光线引起的.

All was done as a way of collecting light rays and shadows.

自己睡眠中的眼睛.收集光线和影子.

The bending of the light rays is caused by refraction.

光线的弯曲是由折射造成的.

In this case, light rays are focused on a point behind the retina.

在这种情况下, 光线集中于在视网膜之后的点.

To cause ( light rays, for example ) to converge on or toward a central point; concentrate.

使集中,使聚合:使 ( 如光线 ) 集中在一中心点或向中心点集中; 集中.

All disease can be conquered by using appropriately colored light rays.

所有的疾病都可以适当地运用有色的光射线而被征服.

Rays of light reflect when they meet a polished surface.

光线遇到磨光的表面就会反射.

Light rays are absorbed by black surfaces.

光线被黑面吸收(而无反射).