The propellant came from the top.
推动力来自最上面。
This saves valuable chemical propellant and extends mission lifetime.
这样既可以节省珍贵的化学燃料，又可以延长航天器的寿命。
Without those propellant burns, the station would eventually drop from orbit.
没有这些推进器的点燃，空间站最终会从轨道降落。
Another major test is how to consume the least possible propellant while achieving rendezvous and docking.
如何消耗最少的推进剂完成交会对接，也是重大考验。
Vanderbilt University scientist Michael Goldfarb came up with an alternative power source: rocket propellant.
Vanderbilt大学的科学家Michael Goldfarb带给公众一种可选的能量来源：火箭助推燃料。
At first sight the idea of propulsion without propellant seems impossible.
乍一看，无工质电磁推进似乎是不可能。
After the mandrel is melted, a thin layer of alloy remains on the propellant surface.
此心轴溶化之后，在推进剂表面上留有一薄层的合金。
A fluorocarbon with chlorine; formerly used as a refrigerant and as a propellant in aerosol cans.
一种含氯的碳氟化合物，以前用作制冷剂和喷雾剂罐的推进物。
China has undertaken to research and develop composite solid propellant rocket motors since 1958.
中国从1958年开始复合固体推进剂火箭发动机的探索和研制工作。
Although other electric propulsion systems exist, they require a pressurized container to store the propellant.
尽管其他电力推进系统存在，他们需要一个高压的容器来贮存推进剂。
Arcjet which used water as propellant has special advantage in deep space exploration and manned spacecraft.
以水作为推进剂的电弧加热发动机，在深空探测和载人航天中具有独特的优势。
The aluminum-ice propellant known as ALICE gets its kick from a chemical reaction between water and aluminum.
这种冰-铝组合燃料叫做ALICE，因水和铝之间的化学反应而产生效应。
The propellant leak detection technology is one of the key technologies for spacecrafts launch and operation.
推进剂泄漏检测技术是关系到航天器正常运行和安全发射的关键技术之一。
Rocket propellant has barely changed in the more than 50 years since the launch of the first artificial satellite Sputnik.
自第一颗人造卫星史泼尼克发射以来，火箭推进剂在超过50年的时间内变化不多。
But the systems require a lot of propellant, or fuel, and haven't been miniaturized to the scale appropriate for a CubeSat.
但是这些系统都要求许多推进剂或推进燃料，并且没有缩小到立方体卫星合适的大小。
The test results provide experimental basis for formula design and technological parameter selection of NEPE propellant.
研究结果对该类推进剂配方设计和工艺参量选择提供了必要的实验依据。
The research productions can be used to comprehend LTSC mechanism further and control the quality of coating propellant.
研究结果对深入理解包覆药的低温感机理及控制包覆药质量有积极的指导意义。
The results have shown that the compound can improve both propellant mechanical properties and combustion characteristics.
实验结果表明，这种化合物具有改善推进剂燃烧性能和力学性能的双重作用。
My outrage that day became the propellant of my life, driving me straight to the civil rights movement, where I've worked ever since.
那天的愤怒是我整个人生的推动力，直接将我推向了公民权利运动。
Lacking of fault samples is a knotty problem in the fault detection of complex systems such as Liquid-propellant Rocket Engines (LRE).
在对类似于液体火箭发动机这种复杂系统的故障检测过程中，一个非常棘手的问题是缺乏故障类样本。
The reward for building a successful space sail would be to increase the velocity of a spacecraft indefinitely without the need for propellant.
制造一个成功的空间帆带来的好处是可以在无需推进剂的情况下加速航天器。
Neil McClelland, a spokesman for Kleinmann in Britain, said the signs so far were that the culprit was the anti-corrosion liquid inside the propellant can.
克莱恩曼公司在英国的发言人NeilMcClelland说，到目前为止已有迹象表明，气溶胶推进剂罐内的防腐液是问题根源所在。
The company's decision to rely exclusively on solid-propellant engines for landing of a capsule with six cosmonauts onboard attracted particular criticism.
这家公司为了搭载有6名宇航员的航天舱的着陆而单独依靠固体推进剂发动机的决定，引发了严厉的批评。
Russian sources said that much more experimental work and funding would be required to prove that solid propellant could be safely used for a manned landing.
俄罗斯的消息人士称，这将需要更多的试验工作以及资金来证明固体推进剂可以被安全地用于载人着陆。
The unmanned supply ship docked with the station Wednesday, bringing propellant, water, experiment hardware, and other items to the three crew members on board.
这艘无人资源供应船在星期三与国际空间站对接，为空间站的三名工作人员带去了推进剂、水、实验硬件和其他物品。
The unmanned supply ship docked with the station Wednesday bringing propellant water experiment hardware and other items to the three crew members on board.
这艘无人资源供应船在星期三与国际空间站对接，为空间站的三名工作人员带去了推进剂、水、实验硬件和其他物品。
Some satellites come equipped with a rocket engine and propellant tank so controllers can aim their descent into an ocean instead of a neighborhood, but not all.
而有些卫星则装配了火箭发动机和推进剂贮箱，这样可以控制它们的坠落路线，将其引导坠落到海洋之中，而不是坠落到居民区里。
Among those methods to improve the burning rate of solid propellant, the nanometer-sized catalyst has been considered as one kind of most prospective methods.
在提高固体推进剂燃速的众多方法中，采用纳米催化剂被认为是最有前途的方法之一。
Among those methods to improve the burning rate of solid propellant, the nanometer-sized catalyst has been considered as one kind of most prospective methods.
在提高固体推进剂燃速的众多方法中，采用纳米催化剂被认为是最有前途的方法之一。
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