A replacement fallback handler, which replaces bytes that cannot be decoded with some arbitrary replacement character.

替换回退处理程序，它把无法解码的字节替换为任意替换字符。

youdao

A replacement fallback handler, which replaces characters that cannot be encoded with some arbitrary replacement character.

取代后援处理常式，这个处理常式会取代无法以某个任意取代字元编码的字元。

youdao

A best-fit fallback handler, which replaces bytes that cannot be decoded with some suitable replacement character.

最佳回退处理程序，它把无法解码的字节替换为合适的替换字符。

youdao