本文通过对包含运动学和动力学特征的新型CAD模型理论与应用的研究，预示了该理论和方法有很大的发展潜力和广阔的应用前景。
This thesis researches on the theory and application of the new CAD model having kinematics and dynamics feature, which also indicates its great development potential and widely application future.
简要论述了液膜分离技术的过程原理、 传质机理，介绍了该技术的研究现状。操作特点及其应用与发展前景。
The process principle and mass transfer mechanism of membrane separation are studied. The technique present situation, operation characters, application and development are reviewed.
本文综述了夭然气汽车贮气技术的研究、开发与推广应用现状，以及发展趋势。
This paper summarizes the current situation of research, development, application and dissemination, together with the development trend of gas storage technique for NGV.
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