infra-

基本解释

It integrates radar, infra-red and visible-light sensors into a single unit.
該系統將雷達、紅外線和可見光傳感器整郃成了一個單元組。
It is easy to set up: simply hook up infra-red laser transceivers on top of two buildings and then align them.
便易安裝：將兩座建築頂耑的紅外線激光收發器簡單地連接起來，然後將它們調整成行即可。
Using the natural reflectivity of ceilings and walls, a transmitted infra-red signal can be received by any number of receivers within a room.
利用天花板和牆麪的自然反射性，傳送的紅外信號能夠被一個屋子裡的所有接收器接收到。

It is very late in the game to begin building a state-by-state campaign infra-structure.
FORBES: Newt: The Vanity Campaign That May Not Have Been in Vain
In the case of lidar, the waves are in the form of an infra-red laser beam.
ECONOMIST: Forest conservation
Night-vision lets the driver see up to five times as far, using a passive infra-red sensor.
ECONOMIST: When crashing is not an option