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WA1208E-AG WA2210-AG WA2220-AG WA2620E-AGN WA2110-AG
WA2200-AG WA2610E-AGN WA2620E-AGN WA2200X-AG
WA=3WB WA=2WB WA=WB/3 WA=WB/2
In("Mary","Lisa") Like "Mary" And Like "Lisa" Like("Mary" "Lisa") "Mary" And "Lisa"
Wa =Wb,Ea >Eb Wa≠Wb,Ea >Eb Wa=Wb,Ea Wa≠Wb,Ea
finger lisa grep lisa/etc/passwd find lisa/etc/passwd who lisa
自动化仓库-A.utomA.tiC. wA.rehouse 立体仓库-stereosC.opiC. wA.rehouse 虚拟仓库-virtuA.l wA.rehouse 保税仓库-B.oneD. wA.rehouse
In(”Mary","Lisa") Like”Mary"AndLike"Lisa" Like("Mary","Lisa") ”Mary"And”Lisa'’ 。
WA_GZHZB WA_GZData WA_GZFT WA—GZTblSet
B.是由同种材料做成的,A.和 长度相等,但A.比B.的横截面积大,当S.闭合后,在相同时间内,下列叙述正确的是( )A.电流通过A.B.所做的功是WA>WBB.电流通过A.B.所做的功是WA因为它们串联,电流相等,所以电流通过A.B.所做的功是WA=WB 因为它们两端电压大小不等,无法比较电流通过A.B.所做功的大小 图1