They are designing new inertial guidance systems which would guide rockets and interplanetary spaceships by using devices which detect changes in speed and direction and make necessary adjustments automatically.

• 他们在设计新的惯性制导系统,这种系统可以通过使用能够探测速度和方向变化并做出相应自动调整的装置来引导火箭及系内太空船的行驶。