Structure vibration control is of great importance for the melioration of spacecraft dynamic property.
结构系统的振动控制是改善航天器动态特性的重要途径。
Results: 1, After treated, The chough, sputum , asthma and asthma sound melioration of the controlled group have prominence (P<0. 01) .
结果：1、治疗组治疗后咳嗽、咯痰、喘息、及哮鸣音均较治疗前有显著改善（P<0.01）；
Dialysis all the groups the melioration of defect severity of clinical neural function, hemorrheology and TCD changes and evaluated its effect and safety.
分析各组临床神经功能缺损程度评分及TCD、血流变的改善情况，评价其疗效及安全性。
Aimed at the structure characteristic of Jilin melioration flesh cattle, mainly described the key technique of Jilin melioration flesh cattle garment leather.
针对吉林改良优质肉牛皮的组织结构特点，阐述了肉牛皮服装革工艺的技术关键。
It is essential to improve damping performance of vibrating roller that the isolator rubber is designed on the basis of the dynamic analysis and the dynamic melioration of isolator rubber.
在动态分析基础上设计减振器，同时改善减振器的动态性能是提高压路机的隔振性能的必要条件。
It is essential to improve damping performance of vibrating roller that the isolator rubber is designed on the basis of the dynamic analysis and the dynamic melioration of isolator rubber.
在动态分析基础上设计减振器，同时改善减振器的动态性能是提高压路机的隔振性能的必要条件。
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