abbr. [计量]公里(kilometer);千米
网络 知识管理(Knowledge Management); 面积; 平方公里
If a spacecraft travels faster than 11 km a second, it escapes the Earth´s gravitational pull.
如果一架宇宙飞船飞行超过每秒11公里,它就能摆脱地球引力。
For those uninitiated in scientific ocean drilling, the previous record was a little over 4 km.
可以告诉没有海洋科学钻探知识的人,先前的纪录是四公里过一点儿。
5 million km above the Earth.
距离地球表面5百万公里。
It will travel around the Earth at a height of 300 km.
它将在300千米的高度绕地球运行。
That is one intervention about every 8,047 km of autonomous driving.
这相当于每行驶8047公里的自动驾驶里程,(驾驶员)要手动干涉一次。