string length造句

1、A substring is zero or more contiguous string length units of input string.
子字符串是输入字符串的零个或多个相邻字符串长度单元。

2、Listing 3 shows the same code with logic added that tests for word string length and frequency.
清单3展示了相同的代码，但是添加了测试单词字符串长度和频率的逻辑。

3、To avoid this, you must explicitly add string length checks to the code.
为了避免这一点，您必须显式地向代码添加字符串长度检查。