短語詞組短語three -byte instruction 三字節(jié)指令two -byte instruction [計]兩字節(jié)指令single byte instruction [計]單字節(jié)指令multiple byte instruction [計]多字節(jié)指令one -byte instruction [計]單字節(jié)指令byte -boundary instruction 字節(jié)指令multiply byte instruction 字節(jié)乘指令double -byte instruction 雙字節(jié)指令e -byt instruction 單字節(jié)指令 返回 byte instruction