| 单词 | significant digits |
| 释义 | significant digits【经】 大效数字 significant digits significant digits pl.n.Mathematics （复数名词）【数学】 The digits of the decimal form of a number beginning with the leftmost nonzero digit and extending to the right to include all digits warranted by the accuracy of measuring devices used to obtain the numbers.Also called significant figures 有效数字：从最左边不为零的数字开始到右边的数字，包括由所有用来得到这些数字的运算所确认的数字也作 significant figures |
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