High Altitude IR

• 高空红外线

High Altitude IR的用法和样例：

例句

1. This page only described the basic theory of operation of IR remote control.
   本页面只有描述的基本原理，操作红外线遥控器。
2. It emits near-infrared energy and measures whether any significant amount of the IR light is returned.
   它发出接近红外线的能量并测量有没有相当多的红外线返回。