significant digit

• 有效数

significant digit的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. 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"
   

significant digit的相关资料：

近反义词

【近义词】

• significant figure 有效数