infra-的意思|示意

That changed in the early 1960s, when Nick Holonyak, a researcher at General Electric, first learned that semiconductors could generate infra-red light.

直到19实际60年代才有了改观，那时通用电气的一个研究员Nick Holonyak第一次发现半导体可以发出红外线。

The second European satellite, Herschel, will scrutinise the universe at infra-red wavelengths.

第二颗名为赫谢耳的卫星将研究分析宇宙的红外波长。

City skylines are not criss-crossed with grids of laser beams because it is all done using invisible infra-red light, says Mr O 'brien.

O ' Brien先生说，城市高楼大厦之间并非激光束往来交错，因为这一技术使用的都是红外光。

No one doubts that carbon dioxide is a greenhouse gas, good at absorbing infra-red radiation.

没有人质疑二氧化碳是为温室气体，和其绝佳吸收红外线辐射的能力。

Using the natural reflectivity of ceilings and walls, a transmitted infra-red signal can be received by any number of receivers within a room.

利用天花板和墙面的自然反射性，传送的红外信号能够被一个屋子里的所有接收器接收到。

Elsewhere, agents have access to mobile lighting units, as well as hand-held infra-red cameras akin to night-vision goggles.

在其他地方，特工人员则拥有移动照明设备，类似夜视镜的便携式红外线相机。