E.m.f.
[医] 电动势, 红细胞成熟因子
🗣️ 情景例句
how do we get them to read more?
我们怎样才能使他们多阅读？
Why are you running away from me?
你为什么离开我？
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%。