The need for reducing the cost of injecting payload mass into orbit is the main stimulating factor for further modifications and creation of new launch vehicles.
降低将有效载荷送入轨道的成本的需求是刺激现有运载火箭进一步改型和新型运载火箭研制的主要因素。
The need for reducing the cost of injecting payload mass into orbit is the main stimulating factor for further modifications and creation of new launch vehicles.
降低将有效载荷送入轨道的成本的需求是刺激现有运载火箭进一步改型和新型运载火箭研制的主要因素。
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