__________ is vital to the analysis and design of oscillatory and nonlinear systems.
A. Fourier series analysis
B. Numerical analysis
C. Simulation and Modelling
D. Random process
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Pay attention ____________ your actions. 注意你的动作。
A. into
B. to
C. on
D. upon
Don't ____________ her. 不要打断她。
开始吧, 我们大家都在听着。_________. We are all listening.
全面建成小康社会,更重要、更难做到的是()
A. 平衡
B. 全面
C. 协调
D. 共享