kilogram In SI units, the base unit used for measuring mass, abbreviated to ‘kg'. One kilogram is approximately the mass of 1000cm3 of water, though from 2019 it has been precisely defined in terms of the Planck constant.
kilogram
数学辞典收录了4151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。