automatic decimal tab

例句：

1. 1. The automatic decimal tab is used to convert numbers into words.
   自动小数点表用于将数字转换为单词。
2. 2. The automatic decimal tab is a useful tool for students who need to quickly convert numbers into words.
   自动小数点表对于需要快速将数字转换为单词的学生来说是一个有用的工具。
3. 3. The automatic decimal tab is also used in scientific calculations to ensure accuracy.
   自动小数点表还用于科学计算中，以确保准确性。