目的本课题从实验角度探索保心合剂对心衰时神经内分泌的影响，从而探讨其防治心衰的机理，为该药的临床推广提供理论依据。
Objective: To observe the influence of Baoxin mixture on the neuroendocrine system in rats with heart failure and explore the mechanism of preventing and curing heart failure.
本课题的研究为进一步研究外螺纹三辊斜轧工艺和生产提供了部分理论依据，具有一定的理论价值和现实意义。
The conclusion provides some of theoretical basis for the further research of the three-cross-rolling technology and practical operation. It has some theoretical significance and practical value.
第三章针对西门子s7- 200系列plc，叙述了本课题开发所依据的技术原理和理论依据，并着重针对工业应用中的可靠性与抗干扰问题进行了分析。
Chapter three tells the technology and theory which will be used in system design, then introduces Siemens AG. SIMATIC S7-200 PLC and emphasizes on the analysis of reliability in industrial use.
本课题为我国今后对空气弹簧进一步通过有限元仿真分析提供了理论依据，并为空气弹簧生产厂家的产品开发、设计打下一定的基础。
The topic for our future, air spring further analysis through the finite element simulation provides a theoretical basis for air spring manufacturer product development to lay a foundation.
本课题为我国今后对空气弹簧进一步通过有限元仿真分析提供了理论依据，并为空气弹簧生产厂家的产品开发、设计打下一定的基础。
The topic for our future, air spring further analysis through the finite element simulation provides a theoretical basis for air spring manufacturer product development to lay a foundation.
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