Three of us walked back about one kilometer and found Sun Yao. 我们中有三人往回走了一公里发现了孙尧。
When we start building the1300 kilometer Beijing-Shanghai high-speed line, we already have all the technologies we need. 当我们开始建造1300千米(KM)长的北京-上海高铁时,我们已经拥有了我们需要的技术了。
You are to compute the average time per kilometer over the whole distance. 你要在整个的距离计算每公里的平均时间。
Sometimes visibility drops to less than 1 kilometer, causing serious traffic jams, flight delays and highway closures. 有时,能见度下降到1千米(KM)以下,引发了严重的交通阻塞,航班延误和公路关闭。
For military applications, the reader and tag could theoretically be separated by a kilometer or more. 军事应用,该阅读器和标签理论上可以分开的一公里或更多。