In this paper, the visible light characteristic of ground target was studied.

研究了地面目标的可见光特征。

youdao

So, we'll take a little bit of a step back after we introduce quantum mechanics, and talk about light as a wave, and the characteristic of waves, and then light as a particle. And one example of this is in the photoelectric effect.

等我们介绍完量子力学后,我们要回过头来讨论下光,作为一种波和它的波动性特征,以及光作为一种粒子,其中的一个粒子就是光电效应。

麻省理工公开课 - 化学原理课程节选

So what we want to do is fine-tune that special characteristic of the light so it shines back and it doesn't absorb into the material and cause damage.

NPR: Using Science to Rescue Art

The Yuki-tsumugi technique is employed to produce pongee silk (also called raw silk) - a light and warm material with a characteristic stiffness and softness, traditionally used to make kimonos.

UNESCO: Culture

It is an interesting triple "coincidence, " which probably evolved over time, that our eyes are most sensitive to yellow-green light, which happens to be the characteristic color of sunlight as well as the color that can most easily be transmitted through the Earth's atmosphere.

CNN: Why gamma-ray burst shocked scientists