Furthermore, an attainable set for initial conditions of the gravity-turn descent is deduced according to the constraints of thrust, fuel and states of the soft landing system.

此外，根据软着陆系统推力、燃料和状态的约束条件，给出了引力转弯着陆过程初始条件的可达集合。

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The other scenarios illustrate that the guidance algorithm can ensure a close range rendezvous motion in any direction, at any time with the fuel economy and under the constraints as well.

算法能够以较省的燃料消耗实现轨道面内任意方向、任意时间内满足约束的近距离交会。

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The report does not give an answer but some economists have made the attempt, variously citing demand from China and other developing nations, the diversion of crop use from food to fuel oil, and production constraints.

ECONOMIST: Investors may not have caused commodity price rises