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【单选题】
将经纬仪安置在 O点,照准左目标水平盘读数为0°01′30′′,照准右目标水平盘读数为88°07′12′′,水平角值为( )。
A.
78°05′32″
B.
88°05′42″
C.
98°15′42″
D.
88°08′42″
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A.
正确
B.
错误
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A.
money
B.
loans
C.
loan
D.
a lot of money
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A.
think, the
B.
thinks, a
C.
think, a
D.
thinks, the
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A.
串联电压
B.
并联电压
C.
串联电流
D.
并联电流
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A.
was it not because of
B.
had it not been for
C.
were it not for
D.
would it not have been for
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A.
电流串联
B.
电压串联
C.
电流并联
D.
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【单选题】要减小放大器的输入电阻及减小输出电阻,应采用( )负反馈放大电路。
A.
电流并联
B.
电压并联
C.
电流串联
D.
电压串联
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