The propeller is usually mounted on a mast behind the pilot and raised for take-off (or to gain more height or distance once airborne) and then lowered back inside the fuselage.
这种螺旋桨通常装在飞行员后面的一个桅杆上，起飞的时候升起（或在帮飞机实现更高的高度或航程的时候），随后收入机身。
Originally it was a single story building that was raised to the present height in the 14th century.
起初，它是一个一层的建筑，14世纪加建到现在的高度。
Over the years, the building's height was raised to make it the world's tallest building, but it will never claim the title.
在过去几年中，该建筑物的高度曾有提高，使其成为世界上最高的建筑物，但是它从未要求过这个头衔。
To use this antenna it suffices to be raised on a mast or pole to a height a little higher than that of surrounding houses.
要使用这个天线它足以提高对桅杆或极点一个高度略高于周围房子的。
If a heavy body is to be lifted to a certain height, work must be done, or energy expended, equal to the weight of the body multiplied by the height through which it is raised.
如果把重物举到一定高度，一定要做功或者消耗能；而这个功或能就等于物体重量乘以物体举起的高度。
The study has raised new questions about "body mass index, " or BMI. This is a measurement of body fat as a ratio of height to weight.
研究还提出了“体质指数”（BMI）这样的新概念，用来衡量身体脂肪与体重的比例。
The results showed that the yield of single-plant sunflower could be raised effectively by correlative selection of the height of plant and of their branch.
结果表明，通过分枝高、株高两性状进行相关选择，可有效提高单株花产量。
In principle, the height of the toe of the raised foreleg should be level with the middle of the cannon bone of the other foreleg.
原则上，前蹄尖抬起的高度应达到另一侧前肢管部中段位置。
Although classical Chinese and classical literature have been strengthened in elementary education at present, classic culture is neglected and not raised to the height of cultural inheritance.
古典汉语、古典文学在基础教育中虽被强化，但当下整个古典文化却被疏离，教育并没有提到文化传承的高度。
In China's enterprises process from production concept to market concept, marketing has been raised to an unprecedented height.
在我国企业从生产观念向市场观念的转变过程中，市场营销被提高到了一个前所未有的高度。
The study showed that plant height of improved tropical and subtropical maize germplasm was reduced more than 40%, harvest index was raised from 30% to 50% by recurrent selection.
研究结果表明，经过改良热带亚热带玉米种质的株高降低40 %以上，收获指数从30 %提高到5 0 %左右。
The steel tube collector has effectively lowered steel tube falling height, less collision between steel tubes, no noise and raised steel tube quality.
使用该收集装置能有效降低钢管落差，从而降低钢管间的碰撞，消除噪声，并保护钢管表面质量。
The stingers and the height-adjustable pedestals link by screws, to form a solid bottom-support system. Then inlaid the raised floor tile into the box surrounded by stingers.
桁梁和自身高度可调的支座用螺钉连结成稳固的下部支承系统，地板镶嵌入桁梁围成的方格内。
The stingers and the height-adjustable pedestals link by screws, to form a solid bottom-support system. Then inlaid the raised floor tile into the box surrounded by stingers.
桁梁和自身高度可调的支座用螺钉连结成稳固的下部支承系统，地板镶嵌入桁梁围成的方格内。
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