Thermoacoustic theory has been studied particularly by exploring the time structure of acoustic signals and the law of acoustic pulse amplitude variation.
通过对水声信号的时间结构和声脉冲幅度变化规律的测定，着重研究了热声理论。
Modern Austrian school emphasize the unneutrality of money, the disturbance of money change the time structure of production, and lead to economic cyclical fluctuation.
按照奥地利学派的理论，货币是非中性的，货币的扰动改变了生产的时间结构，最终导致了经济的周期波动。
Modern Austrian school emphasize the unneutrality of money, the disturbance of money change the time structure of production, and lead to economic cyclical fluctuation.
按照奥地利学派的理论，货币是非中性的，货币的扰动改变了生产的时间结构，最终导致了经济的周期波动。
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