有效标记
In a positional notation, a zero in a more significant digit place than the digit place of the most significant nonzero digit of a numeral.
在按位记数法中,位于一个数的第一个非零数位左边的多个零。
In a positional notation, a zero in a more? significant?? digit? place than the digit place of the most significant nonzero digit of a numeral.
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