Complex sentence: Sometimes, the use of the term "DBCS" can imply an underlying structure that does not comply with ISO 2022; i.e., "DBCS" can sometimes mean a double-byte encoding that is specifically not EUC.
Split into simpler sentences: Sometimes, the use of the term "DBCS" can imply an underlying structure that does not comply with ISO 2022. For example, "DBCS" can sometimes mean a double-byte encoding that is specifically not EUC.