kilocycles per second

例句：

1. 1. The speed of light is approximately300,000kilometers per second.
   光速大约是每秒30万千米。
2. 2. The new satellite waslaunched at a speed of 1 kilocycles per second.
   新卫星以每秒1千周的速度发射。
3. 3. Thescientist used a device thatcould measure the speed of lightin kilocycles per second.
   科学家使用了一种可以测量光速的装置。