A Metric measure of distance. Equal to 1,000 meters.
The abbreviation is km
Examples:• it takes about 12 minutes to walk 1 km• at highway speed a car goes about 100 km in an hour (100 km/h)
数学辞典收录了1200条数学词条,基本涵盖了常用数学知识及数学英语单词词组的翻译及用法,是数学学习的有利工具。