Methods Seven healthy male adult Rhesus were randomly divided into control group and +15 Gx group. The +15 Gx group underwent parabolic G curve in animal centrifuge.

• 方法7只健康雄性成年恒河猴随机表法随机分为对照组(2只)和+15Gx组(5只),+15Gx组在动物离心机上承受+15Gx峰值的抛物线形过载曲线作用;