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significant digit

/sɪɡˈnɪfɪkənt ˈdɪdʒɪt/

翻译: 指数字中对数值精度有贡献的数字,不包括前导零,但包括小数点后的末尾零。有效数字用于表示测量或计算的精度。

1 个条目

phrase

/sɪɡˈnɪfɪkənt ˈdɪdʒɪt/C1formalscientific
  • zh指数字中对数值精度有贡献的数字,不包括前导零,但包括小数点后的末尾零。有效数字用于表示测量或计算的精度。

A digit in a number that contributes to its precision, excluding leading zeros but including trailing zeros after a decimal point. Significant digits indicate the accuracy of a measurement or calculation.

  1. Meaningful digit in a numberB2formal

    A digit in a number that contributes to its precision, excluding leading zeros and some trailing zeros.

    zh有效数字

    • In the number 0.00450, there are three significant digits.
    • When rounding, you must consider the number of significant digits.
    • The measurement 12.30 has four significant digits.