A demonstrator which indicates overweight and weightlessness by luminescent demonstration is introduced. It has good visual effect.
本文介绍了利用发光显示超重、失重演示器的直观性效果好的特点。
2
Objective To summarize the studies about effect of weightlessness or weightlessness simulation on venous compliance and its measurement in recent years.
目的综述静脉顺应性的各种测量方法，评述失重或模拟失重对静脉顺应性的影响。
3
OBJECTIVE: to probe into the effect of simulated weightlessness on the ultrastructure of rabbit femoral vein and the remodeling of femoral vein.