谐振电路的品质因数Q的大小与电路的特性阻抗Z=√L/C成正比，与电路的电阻R（Ω）成反比，即Q=1/R√L/C.
参考答案：对
______ miss the game, they set out early after supper.
A．So as not to
B．In order that
C．So that
D．In order not to
椎-基底动脉供应（）
A.全部脑干，小脑
B.内囊后肢后1／3
C.大脑半球前3／5
D.丘脑
E.大脑半球前2／5
