significant digit

significant digit读音音标

英 [siɡˈnifikənt ˈdidʒit]

美 [sɪɡˈnɪfɪkənt ˈdɪdʒɪt]

significant digit意思解释

释义

有效数（字）；

英英释义

n.

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)

同义词：significant figure