mantissa of logarithm

例句：

1. 1. The decimalpoint is the place where we divide numbersinto their mantissa and decimalplaces.
   小数点是我们将数字分为其尾数和小数位的地方。
2. 2.In mathematics, the mantissa represents the fractional part of anumber.
   在数学中，尾数代表一个数的分数部分。
3. 3. Theengineer calculated the mantissa to ensure accuracy in themeasurement.
   工程师计算了尾数以确保测量的准确性。