replacement character meaning in English

替换字符

The character alpha is replaced by the replacement character 0x1a ; that is information data has been lost during the export
字符alpha被替换为替换字符（ 0x1a ）；在导出过程中信息（数据）就丢失了。
If a character occurs more than once in second argument string , then the first occurrence determines the replacement character
如果第二个参数串中有重复字符，替换以首次出现的位置对应到第三个串中的字符为准。
Since the code page 1252 contains only a subset of all unicode characters , those unicode characters that have no equivalent in code page 1252 are replaced by a so - called replacement character
因为编码页1252只包含所有unicode字符的一个子集，在编码页1252中没有对应编码的那些unicode字符由一个所谓的替换字符来替代。