The mechanics calculation of parabolic space rigid frame isv ery complicated, without being dealt with in issued directories, documents and textbooks.
抛物线形空间刚架的力学计算十分复杂 ，在已有的手册、资料、教材中均未叙及。
To recreate the weightless experience without going into space, the plane executed parabolic flight maneuvers, climbing sharply and descending several times during the one-hour flight.
为了不上太空而体验失重，飞机进行了“过山车”式的俯冲，在一小时的飞行期间，迅速爬升和下降。
To recreate outer-space conditions of micro-gravity, the plane performed 6 parabolic flight 7 maneuvers over the Gulf of Mexico after 8 taking off from north Florida.
为了营造外太空的微重力状态，飞机从佛罗里达州北部起飞后，在墨西哥湾上空完成了一连串抛物线动作。
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