First, free wake analysis was carried out to calculate the rotor wake geometry and the downwash around the engine jet space.

首先应用自由尾流分析技术来计算旋翼尾迹和发动机绕排流空间的洗流速度。

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The Hubble Space Telescope provided an image of a stellar jet in the Carina Nebula.

哈勃空间望远镜提供了一幅船底座星云恒星喷流的图像。

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The plane is 107 feet from nose to tail-as big as a commercial jet seating 100 passengers, but with computers and instrument bays occupying most of the interior space and only a few Windows.

这架飞机从机头到机尾，全长107英尺，大小相当于一个可乘坐100名乘客的商业客机，但计算机和仪表舱占据了绝大部分内部空间，只有几个窗口。

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They work for the American space agency's Jet Propulsion Laboratory in California.

VOA: special.2009.08.25

Bill Gates in his private jet flies with more personal space than does Joe Six-Pack when making a similar trip on a commercial jetliner.

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"We effectively use it to rinse our mouth three times and then spit out, " explained Daniel Limonadi, the Curiosity surface sampling phase lead at the US space agency's Jet Propulsion Laboratory (JPL).

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Simplified aid for EVA rescue, and that's the little cold gas jet pack that snaps to the bottom of your space suit backpack.

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