1935年12月,毛泽东在瓦窑堡会议上作了《论反对日本帝国主义的策略》的报告,阐明党的抗日民族统一战线的新政策,批判了党内的关门主义和对于革命的急性病,系统地解决了党的政治路线问题。
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1927年4月18日,南京国民政府成立,国民党所实行的是代表地主阶级、买办性的大资产阶级利益的一党专政和军事独裁统治。
A. 对
B. 错
Which of the following is not the shortcomings of Analog systems? ( )
A. Consume lots of energy.
B. Not easily modified to solve new or different tasks
C. Prone to breakdowns due to their physical operation
D. Need analog-to-digital conversion.
According to Nyquist theorem, a signal with maximum frequency of W Hz must be sampled at ( )
A. W Hz
B. 0.1W Hz
C. 0.5 W Hz
D. 2W Hz
Which of the following is not the advantage to digitizing analog quantities?( )
A. Numbers are much less sensitive to physical problem
B. Numbers are easier to store than an equivalent physical amount of something.
C. Numbers can be moved through space, using electronic, optical, or acoustic means
D. Numbers are the quantities existed in physical world.
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