Electrical rocket engine is a new type of space propulsion system.

电火箭发动机是一种新型的空间推进装置。

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Hydrazine decomposition thruster with canted nozzle is being more and more utilized in space propulsion system.

折角喷管肼分解发动机在空间推进系统正得到越来越多的应用。

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The system was developed and tested at Lockheed Martin's Mississippi Space &Technology Center, an advanced propulsion, thermal, and metrology facility located at the John C. Stennis Space Center.

该系统的开发和测试是在洛马公司的密西西比太空和技术中心进行的，该中心是位于斯坦尼斯航天中心的一处先进的推进、热力和度量衡设施。

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From news that Germany met half the country's energy needs with solar power to an Egyptian teenager who built a new quantum space propulsion system, 2012 was a big year for clean tech.

ENGADGET: Inhabitat's Week in Green: biological concrete, flexible solar cells and the top wearable tech of 2012