[数]?已知量
... as is well known 众所周知 as known to all 众所周知 known quantity n. 熟知的人或事;已知量 ...
已知量
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。