Rfi
[计] 射频干扰, 无线电频率干扰
🗣️ 情景例句
It was my pleasure.
这是我的荣幸。
Photography is an expensive hobby.
摄影是门花费很多的爱好。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。