释义 |
man-rate, v.|ˈmænreɪt| [f. man n.1 + rate v.1] trans. To make (a rocket, spaceship, etc.) suitable for manned flight; to certify as safe for manned flight. So man-rated ppl. a.; ˈman-rating vbl. n.
1963E. Stuhlinger et al. Astronautical Engin. & Sci. iv. 68 Manrating is a new term. To manrate a space vehicle means to make it suitable for carrying a manned payload. 1967Technology Week XX. 23 Jan. 29/2 (Advt.), McDonnell testing and development facilities range from man-rated space chambers to Mach 28 wind tunnels. Ibid. 30/1 (Advt.), Their man-rated lunar descent engine is one of a family of small throttleable engines. 1968New Scientist 21 Mar. 631 After it [sc. a new Soviet booster] has been man-rated, however, and used in orbital rendezvous and docking missions, the USSR will have achieved a major platform for further advance. 1971Sci. News Let. 19 June 416 The general question of the reliability of unmanned spacecraft has always been a thorny problem for NASA. Manned spacecraft have redundant systems—back-up systems in case one fails. This method, called ‘man-rating a spacecraft’, is costly. |