纵向分辨力为( )。
A.取决于改善聚集带
B.取决于TGC(STC)的斜率
C.通过DSC而改善
D.可通过提高探头频率改善
E.通过声透镜改善
参考答案:D
----You _______ part in the party in time.
----Sorry I was delayed by the accident.
A.are supposed to take
B.have supposed to take
C.are supposed to have taken
D.supposed to take
Y1背光驱动电路正常、显示黑屏、白屏、花屏问题,与以下哪些器件有关()
A.U3000(RF收发器)
B.J1800连接器
C.U1800(LCD供电IC)
D.U3500(射频开关)