The thermal protection mechanism of three layer for coating material under heating process was discussed, the conservation equations which reflects difference function was established.
本文讨论了涂层材料在加热过程中出现的三层结构的吸热机理，建立不同层反映不同功能的守恒方程。
By dividing the environmental protection process into three periods, this thesis mainly researched the environmental regulation structure and its dynamical mechanism to change in certain period.
本文通过对迄今我国环境管制结构三个时期的划分，主要研究了特定时期我国的环境管制结构及其变迁的动力机制。
The second revision of the patent law had successes in three aspects: defining the subject, reinforcing protection and improving the process.
专利法的第二次修改主要在明确主体、强化保护、完善程序三个方面取得了成功。
The second revision of the patent law had successes in three aspects: defining the subject, reinforcing protection and improving the process.
专利法的第二次修改主要在明确主体、强化保护、完善程序三个方面取得了成功。
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