Complex sentence: GB18030 can be considered as a Unicode Transformation Format, i.e. an encoding of all Unicode code points that maintains compatibility with a legacy character set-in other words, as a Chinese equivalent of UTF-8, which maintains compatibility with ASCII.
Split into simpler sentences: GB18030 can be considered as a Unicode Transformation Format, i.e. an encoding of all Unicode code points that maintains compatibility with a legacy character set. In other words, as a Chinese equivalent of UTF-8, which maintains compatibility with ASCII.