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【简答题】
在利用谐振进行信号选择时,串联谐振适合内阻较小的 ( ) 型 信号源,并联谐振适合内阻较大的 ( ) 型 信号源。
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反馈参考答案：
举一反三
【单选题】“Who has been planning the dance?”“Everyone in the club ______.”
A.
is
B.
are
C.
have
D.
has
【单选题】--Who has been planning the dance? --Everyone in the class ______.
A.
is
B.
has
C.
have
D.
are
【简答题】无符号字符(unsigned char)型变量占( )字节,值域( )。
【单选题】The class needs a monitor______.
A.
whom everyone has confidence on
B.
who everyone has confidence of
C.
for whom everyone has confidence
D.
in whom everyone has confidence
【简答题】Believe it or not, everyone has a personal philosophy. To some extent, everyone explores all the things philosophy explores A life with a positive, uplifting philosophy will bring forth a life worth l...
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