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significant digit的英文翻譯是什么意思，詞典釋義與在線翻譯：
英英釋義
Noun:
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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"
