Sky divers don't go up in an airplane without checking the parachutes beforehand.
马克洛维茨这样说,“跳伞者在没有检查降落伞是否好用之前是不会上飞机的。”
Testingirregularities allows engineers to verify the parachutes are reliable even when something goes wrong.
测试违规行为,使工程师能够验证是可靠的,即使当不顺心的事时,降落伞。
In the test, conducted in Yuma, Ariz., the mock capsule was traveling about 250 MPH when the parachutes were deployed.
在亚利桑那州尤马进行的这个测试中,在降落伞展开时,仿制的太空舱以大约每小时250英里移动。
It fell through the atmosphere. Its parachutes opened, slowing its fall toward the Pacific Ocean,near Samoa.
VOA: special.2009.07.22
People everywhere cheered as the cameras found the spacecraft floating downward beneath its three parachutes.
VOA: special.2009.07.22
Parachutes lowered the Mercury spacecraft to the ocean surface.
VOA: special.2009.06.17
应用推荐