mantissa background

mantissa

/mænˈtɪsə/ /mænˈtɪsɑː/

Illustration mantissa - Image 1

noun

尾数, 补数

A minor addition to a text.

Examples :

"The editor suggested adding a short paragraph about ethical considerations as a mantissa to the research paper. "

编辑建议在研究论文后面加一小段关于伦理考量的文字作为补充说明。

language writing literature

Illustration mantissa - Image 1

noun

尾数，小数部分

The part of a common logarithm after the decimal point, the fractional part of a logarithm.

Examples :

"To find the approximate value of a large number using logarithms, you look up the decimal part, or mantissa, in a log table after you've determined the whole number part (the characteristic). "

想要用对数来求一个大数的近似值，在确定了整数部分（即首数）之后，你需要在对数表中查找小数部分，也就是尾数。

Illustration mantissa - Image 1

noun

尾数，有效数字部分

The significand; that part of a floating-point number or number in scientific notation that contains its significant digits.

Examples :

"In the number 6.022 x 10^23, the mantissa is 6.022, representing the significant digits of Avogadro's number. "

在数字 6.022 x 10^23 中，尾数是 6.022，它代表阿伏伽德罗常数的有效数字部分。

math technical computing number