战神九号测试火箭装有700多个传感器，可以让美国宇航局真实地了解该火箭的性能和安全状况。
The Ares I-X test rocket has more than 700 sensors that will allow NASA to ground-truth some of its calculations about the safety and performance of the rocket.
战神九号测试火箭装有700多个传感器，可以让美国宇航局真实地了解该火箭的性能和安全状况。
The Ares I-X test rocket has more than 700 sensors that will allow NASA to ground-truth some of its calculations about the safety and performance of the rocket.
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