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significant digits
[sɪɡˈnɪfɪkənt ˈdɪdʒɪts]

  • 有效数字:在一个数字中具有实际意义和贡献的数字位数。

网络释义专业释义英英释义

  有效数字

在表示一个近似值时,常涉及到有效数字significant digits)的概念. 定义1.3:一个数的有效数字指,从左至右第1 位非零数字开始的所有数字.

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  有效位数

44 KHH 有效位数 有效位数 有效位数 有效位数(significant digits)是具有意义的数字 数字的最少有效数字表示 测量或计算的精确度。 若 A=2.

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  有效位

... significant figures有效数字;有效位significant digits有效数字;有效位 significant event有意义事件 ...

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短语

least significant digits 最低有效位

Error and Significant Digits 误差与有效数字

Conversion may lose significant digits 转换可能丢失高位数字 ; 转换时会丢失意义的数字

Significant digits and data treatment 有效数字和数据处理

Drop Significant Digits 丢失有效数字

direct significant digits 直接有效数字

indirect significant digits 间接有效数字

number of significant digits 有效位数

significant E digits 有效数字

 更多收起网络短语
  • 有效数字

·2,447,543篇论文数据,部分数据来源于NoteExpress

significant digit

  • n. 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)

    同义词: significant figure

以上来源于: WordNet

 柯林斯英汉双解大词典 

significant figures (also significant digits)

[美国英语]
  • 1. 

    N-PLURAL the figures of a number that express a magnitude to a specified degree of accuracy, rounding up or down the final figure 有效数字

    例:

    3.141 59 to four significant figures is 3.142

双语例句原声例句权威例句

  • Significant digits truncated during CAST from numeric to character.

    说明:在数字字符科协截断有效数字

    youdao

  • To delete or miss out; for example, drop bits, drop significant digits.

    删除丢失例如丢失,丢失有效数字。

    youdao

  • This means that Numbers with more than 7 significant digits will be truncated.

    意味着超过7有效位的数值被截断。

    youdao

更多双语例句
  • It begs the question, with the Web still accounting for such a small percentage of retail sales, and online growth now projected to slow from the pace of the last few years--will consumers ever break through and adopt the Internet as a shopping channel significant enough to break through single digits as a percentage of overall sales?

    FORBES: Magazine Article

  • One person who has seen the book said the bankrupt team, which is being sold in a court-supervised auction, had operating profit (earnings before interest, taxes, depreciation and amortization) in the single digits in 2011 but a significant net loss after debt payments and non-cash charges.

    FORBES: Connect

  • Budget experts suggest doing a breakdown of where you spend every dime, but the simplest budget method by far is to remove a significant percentage of your pay in advance (double digits, at least) and deposit it into an account you cannot easily access.

    FORBES: Five Steps Toward Fixing the Hole In Your Retirement Plan

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