常见例句Ueno T,Yoshimoto S, Mayanagi Y, et al. Effects of lower body negative pressure on cerebral circulation [J]. Aviat Space Environ Med,1993,64(11):1006-1010. 胡志红;赵国璇;杨静生;等.;下体负压下脑血流的变化[J] 返回 Aviat