4) LENGTH操作符 5)SIZE操作符 SIZE=TYPEXLENGTH 例: BUFF DB10DIP(?) MOV CXLENGTH BUF → MOV CX,10 MOV CXSIZE BUF →MocX204）LENGTH操作符 5）SIZE操作符 SIZE＝TYPE×LENGTH 例：BUFF DB 10DIP(?) MOV CX,LENGTH BUF  MOV CX,10 MOV CX,SIZE BUF  MOV CX,20