Intensitometer
[电] 强度计
🗣️ 情景例句
Everyone is expected to stick to the rules.
每个人都要遵守规则。
How did you find him?
你是如何找到他的？
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段，即每秒1420兆周的精确无线电频率。