英语词汇“significant figure”的读音、翻译、释义、用法及例句-森罗网

词汇	significant figure
释义	significant figure 有效数字（=significant digit）为正确地表示一个数，特别是要保持这个数的精度和准确性，所需要的数字位数。按照精度的要求，跟随在最左边非零的数字位後的代表一个资料的全部。
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