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[单选题]
已知R1:IF E1 THEN (10,1) H1(0.03) 。R2:IF E2 THEN (20,1) H2(0.05) 。R3:IF E3 THEN (1,0.002) H3(0.3) 。当证据E1、E2和E3都存在时,P(H2/E2)=()。
A.0.3
B.0.6485
C.22
D.0.5128
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.0.3
B.0.6485
C.22
D.0.5128
A.6.18
B.200
C.0.03
D.9096
A.0.3678
B.0.1234
C.0.2362
D.0.2
A、0.927
B、0.9946
C、3
D、2
已知 R1=R2=1Ω,L1=1H,C=1F。若激励是 (t),响应是u2(t),求网络函数H(S)。
A.0 A
B.5∠90°A
C.10∠-90°A
A.正确
B.错误