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。

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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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To a culture which has come to take instantaneous communication for granted, as part of the very structure of civilized life, this "time barrier" may have a profound psychological impact.

对于一个将即时通讯视为文明生活结构一部分的文化来说，这种“时间障碍”可能会产生深远的心理影响。

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"So far,we have had a constructive conversation and my hope is that by the time the chairman and I meet on Wednesday that we have made sufficient progress and we can start actually seeing a structure that would be in place."

VOA: standard.2010.06.14

So I think the comparable and parallel structure for the baby-sitting for the younger children is that adults need time out.

所以我认为与青少年的,临时保姆目标相对应的,是成年人需要腾出时间。

麻省理工公开课 - 媒体、教育、市场课程节选

And according to the Book of Joshua, Israel's tribal structure assumed its classical form at this time.

而且根据《约书亚书》,以色列的支派在那时已显示出了阶级形态。

耶鲁公开课 - 旧约导论课程节选

At the same time, the structure of the labour force may lessen the pain.

ECONOMIST: Japan

At the same time, the structure of manufacturing and the British economy changed, such that its ability to respond quickly to increases in demand has become more limited.

BBC: It's trade or bust for Britain

"By looking at and understanding the properties of El Gordo, we're able to understand the time evolution of the structure formation of the Universe, " Prof Hughes told BBC News.

BBC: 'El Gordo' is largest distant galaxy cluster ever seen