For some functions, a numeric value is input, for example start, length, and offset parameters of string functions.

一些函数的输入是数值，比如字符串函数的起始、长度和偏移量参数。

youdao

For some functions, a numeric value is input, for example start, length, and offset parameters of string functions.

一些函数的输入是数值，比如字符串函数的起始、长度和偏移量参数。

youdao