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。
2
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）；
3
Dialysis all the groups the melioration of defect severity of clinical neural function, hemorrheology and TCD changes and evaluated its effect and safety.