The general physical laws base on the principle of symmetry, so it is regarded as the higher principles.

基于时变力学的对应性原理，建立一种黏弹性时变力学的一般性解法，适用于一类时变力学问题的求解。

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Base on the principle of economy and reliability when selecting and designing the drainage device can improve its operational reliability.

这种方法可以有效的应用于排水系统的选型设计和排水设备可靠性改造中。

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Base on the principle of the parasitic effect and the system function, affects on the system frequency response from the parasitic effect are analyzed.

基于微机械陀螺仪的寄生效应产生原理，借助于陀螺仪的系统函数，分析了寄生效应对系统频率响应的影响。

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They argue that many poor countries wrongly base their development strategies on the principle of comparative advantage (which holds, for instance, that tropical islands should grow bananas and pretty countries promote tourism).

ECONOMIST: Fish out of water

It also puts at risk its reputation with the vast majority of all players and its customer base who would most likely view a slap on the vocal chords as tacit tolerance for an abhorrent principle.

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The lack of any monetary rule to constrain the Fed and the lack of any convertibility principle, as existed under the classical gold standard, means the Fed has a monopoly on base money (currency held by the public plus reserves), the supply of which is determined by a small group of Fed officials who presume to be able to forecast the future.

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