Private spaceflight took one giant step forward this week when the Tycho Brahe craft lifted off atop the HEAT-1X rocket engine Friday (pictured) from a platform in the Baltic Sea.
当第谷·布拉赫号飞船周五越过热火- 1x号火箭发动机头顶，从波罗的海的一个平台上升空(如图)，私人太空飞行本周向前迈出了一大步。
But although the road-mobile launcher has some off-road capability, it requires solid ground when launching to prevent damage from debris kicked up by the rocket engine.
然而，虽然道路机动发射装置有一定的越野能力，但在发射时也需要有坚实的地面，以防止火箭发动机激起的碎片造成破坏。
If you have a smaller rocket engine and a lot of fuel, your rocket's probably not going to get off the ground.
如果你的火箭引擎太小，却有大量的燃料，你的火箭可能无法起飞。
So many bits of the rocket engine fall off that it would be dangerous to aircraft if [flights] were allowed.
会有那么多的火箭发动机碎片脱落，如果允许(航班)起飞，那么对飞机来说将是危险的。
Neural network can be trained for off-lime condition in all flight or for on-line condition in the stabilizing process of the rocket engine running.
在发动机启动阶段离线训练神经网络，在发动机稳态过程可以采用离线或在线学习算法。
Neural network can be trained for off-lime condition in all flight or for on-line condition in the stabilizing process of the rocket engine running.
在发动机启动阶段离线训练神经网络，在发动机稳态过程可以采用离线或在线学习算法。
应用推荐