Recent research shows that the vascular endothecium has played a vital role in regulating the cordis circulation and stabilizing the milieu interne.

近年来的研究证实，血管内皮在调节心脏循环功能和稳定内环境中起到重要作用。

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This thesis investigates the circulation processes of the drive-device, analyses the principle of heat circulation processes and shows the way to estimate the device's thermal efficiency.

本文研究了温差能驱动装置的循环过程，从热力学的角度分析了它的热循环机理，给出了装置热效率的估算方法。

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Lastly the part also analyzes the problems in our present mining-right's circulation mechanism, which mainly shows in three aspects: the legislation, the supervision and the transaction mechanism.

最后，对我国目前采矿权流转在立法、监管和交易制度等三个方面存在的问题进行了分析。

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