A.1 B.0 C.有進(jìn)位 D.溢出
A.打開(kāi)DB B.打開(kāi)DI C.打開(kāi)DB或DI D.打開(kāi)全局?jǐn)?shù)據(jù)塊
A.999S B.9990S C.9999S D.99990S