| 释义 |
significant digit短语¹⁴⁴⁹⁷²⁺²
基本英英近义反义
有效数
Noun:
any digit of a number that is known with certainty; any digit of a number beginning with the leftmost non-zero digit and ending with the rightmost non-zero digit or a zero considered to be the exact value;he calculated the answer to four significant figures 近义词 significant figure有效数 |