还有一种19世纪的观念，认为我们注定要争夺势力范围，认为国只有形成相互争夺的集团，才可达到平衡。

And there is a 19th century view that we are destined to vie for spheres of influence, and that great powers must forge competing blocs to balance one another.

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结果与结论该方法特异性、线性及线性范围、灵敏度、重现性、回收率均可达到蛋白多肽药物药代动力学研究的要求。

Results and Conclusion The specificity, linear range, reproducibility and recovery for the method could meet the requirements for studying pharmacokinetics of bioactive proteins or peptides.

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萃取时间的长短在一定范围内依赖于CO_2流量以及压力的大小，本试验萃取时间120～150分钟即可达到完全萃取。

Within the operating conditions, the extraction time depended on the extraction pressure and CO2 flow rate. The kiwi fruit seed oil can be extracted fully for 120-150min.

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Joule actually did this experiment, and he observed that for the gas expansions that he could do, that the temperature did not increase measurably.

事实上焦耳的确做了这个实验，他做到了,他能达到的最好实验要求，发现在可测量范围内没有观察到温度上升。

麻省理工公开课 - 热力学与动力学课程节选