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最佳答案：The universe in a cycle of five thousand years.
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最佳答案：1 periodic table of elements and their compound by law degeneration1.1 Atomic ra
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最佳答案：A pulsating variable star is a star whose exterior layer periodically swells and
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最佳答案：according to the prophecy of maya calender ,there are totally five times of deva
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最佳答案：1.Simple harmonics signal is simplest and the most important cyclicalsignal.Wilf
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最佳答案：设半径r=5时 角频率为ω1,周期为T1；半径r=3时 角频率为ω2,周期为T2.角加速度 an=ω1^2*r1=5ω1^2an=ω2^2*r2=3ω1^2ω1
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最佳答案：Under software environment,power source's modelling simulation research to power
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最佳答案：我由衷的觉得LS是翻译机.Abstract:The development of tourism economic led the regional econo
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最佳答案：In this paper,a steel rod wear law,through the simulation of single and multiple
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最佳答案：Digital circuit design using a realization of,hours seconds.The timing device fi