短語詞組短語byte -character 字節(jié)字符byte database character set 雙字節(jié)數(shù)據(jù)庫字符集byte and character 字符與字節(jié)Single -Byte Coded Character Set 單字節(jié)編碼字符集double -byte database character set 雙字節(jié)數(shù)據(jù)庫字符集Double -Byte Coded Character Set 雙字節(jié)編碼字符集Double Byte Character System 來存放一個(gè)序號(hào)single -byte character 統(tǒng)一以單位元字元double byte character 全角字符 返回 byte character