| 释义 |
〔astronautics〕The science and technology of space flight.航天学,宇宙航行学:研究宇宙飞行的科学及技术〔centrifuge〕An apparatus in which human beings or animals are enclosed and which is revolved to simulate the effects of acceleration in a spacecraft.航天试验离心机:人和动物在其里面并旋转以模仿宇宙飞行器的加速作用的一种仪器 |