zho: 有效数字

Information
has URI	http://lexvo.org/id/term/zho/%E6%9C%89%E6%95%88%E6%95%B0%E5%AD%97
character	Character U+6709
character	Character U+6548
character	Character U+6570
character	Character U+5B57

Meaning
means	(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" significant digit, significant figure