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There is a ________ difference in meaning between the words surroundings and environment.A
There is a ________ difference in meaning between the words surroundings and environment.
A.gentle
B.subtle
C.feeble
D.humble
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There is a ________ difference in meaning between the words surroundings and environment.
A.gentle
B.subtle
C.feeble
D.humble
第1题
A.2PSK < 2ASK < 2FSK
B.2PSK < 2ASK = 2FSK
C.2PSK < 2FSK < 2ASK
D.2FSK < 2PSK < 2ASK
E.2PSK = 2FSK < 2ASK
第2题
A.2FSK\2ASK\2PSK
B.2ASK\2PSK\2FSK
C.2ASK\2FSK\2PSK
D.2PSK\2FSK\2ASK
第3题
A.2PSK < 2ASK < 2FSK
B.2PSK < 2ASK = 2FSK
C.2PSK < 2FSK < 2ASK
D.与信号波形有关,比较条件不充足。
第4题
A.2PSK < 2ASK < 2FSK
B.2PSK < 2ASK = 2FSK
C.2PSK < 2FSK < 2ASK
D.与信号波形有关,比较条件不充足。
第5题
A.2FSK、2ASK、2PSK
B.2ASK、2FSK、2PSK
C.2ASK、2PSK、2FSK
D.2PSK、2FSK、2ASK
第6题
A.2ASK>2PSK>2FSK
B.2ASK>2FSK>2PSK
C.2FSK>2ASK>2PSK
D.2PSK>2FSK>2ASK
第7题
A.2ASK=2PSK=2FSK
B.2ASK=2PSK>2FSK
C.2FSK>2PSK=2ASK
D.2FSK>2PSK>2ASK
第8题
A.2ASK, 2FSK, 2PSK
B.2ASK,2PSK, 2FSK
C.2FSK, 2PSK, 2DPSK
D.2PSK,2DPSK,2FSK
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