空字符 meaning in English

null characters

We have only to specify what meaning blanks and similar characters have .
我们只须指出空字符及类似的一些字符具有什么含义。
Null is different from a blank character or 0
Null不同于空字符或0 。
Property is set to a non - null character ,
属性设置为非空字符，则
This is an optional attribute and defaults to an empty string
这是可选属性，默认值为空字符( " ) 。
The following are valid word separators for proper casing : null
以下是对适当的大小写有效的字分隔符：空字符(

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