U.S. officials are not confirming the newspaper's reports that the military is using small, unarmed turboprop planes disguised as private aircraft to conduct surveillance.

1、

The paper describes in brief the principal technical approach in design and development process of a new turboprop engine WJ9, and the synthetical appraisal of the project experience is also made.

本文简要叙述涡轮螺旋桨发动机&WJ9的主要技术途径，同时对该发动机的研制经验作了综合评价。

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2、

During the development of china-built double turboprop engines commuter aircraft, the influence has been studied which propeller slipstream affects the pressure distribution on aircraft.

在国产双涡桨支线飞机发展过程中，曾专门研究过螺旋桨滑流对飞机表面压力分布的影响。

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3、

Its cruising performance is as good as turboprop. In VTOL stage, the control system, with strong interference, is nonlinear. So its control method is more complex.

在垂直起降阶段，由于受到较强干扰的影响，系统表现出了很大的非线性，其控制方案往往是很复杂的。

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4、

The international oil price will obviously be rise continuously, and turboprop regional aircraft with its low oil consumption will have more development space in the future.

国际油价持续上涨趋势明显，涡桨支线飞机因其耗油低将有更大发展空问。

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5、

In a turboprop engine, the main thrust comes from the propeller and only a small proportion from the jet exhaust.

在涡桨发动机中，主要的推力来自螺旋桨，只有一小部分来自喷出的尾气。

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6、

The turboprop engine is very much like the turbojet. It has an additional part, a propeller.

涡轮螺桨发动机与涡轮喷气发动机十分相似。它多了一个螺旋桨部件。

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7、

Troubleshooting of the rotor rubbing case for some turboprop engine

某型涡轮螺桨发动机转子偏磨故障分析

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The Effect That the Precession Effect Has on Turboprop Aircraft

进动效应对涡轮螺旋桨飞机的影响

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Vibration spectrum analysis of a turboprop engine in starting process

发动机起动过程的振动谱分析

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Cabin Noise Reduction Design and Experimental Research for Military Turboprop Aircraft

军用涡轮螺旋桨飞机内部装饰降噪设计与试验研究

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With four China-made turboprop engines, the AG600 has a "ship's body" with high mounted single-cantilever wing.

配备四台国产的涡轮螺旋桨发动机，AG600飞机采用的是单船身、悬臂上单翼布局。

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12、

The turboprop engine will not move a plane as rapidly as a jet.

涡轮螺旋桨发动机不如喷气发动机驱动飞机那样快。

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Learn the lesson, release the pain, and move on.

吸取教训，释放痛苦，然后继续前进。

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One might suggest that modern day economists would do well to learn this lesson.

有人可能会建议当代的经济学家来学习这个课程。

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Repeat Mistakes enough times until you really learn the lesson.

重复错误错足够多次直到你真的学到教训。

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16、

I didn't want you to learn that lesson.

我不曾想让你有那种经历。

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The Chinese government hopes many more coaches will learn that lesson.

中国政府希望能有更多的教练学习到这样的经验。

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That's true. It's important that you learn that lesson.

的确如此，你懂得这个道理，这对你很重要。

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Do you think she'll learn her lesson from this?

你认为她会吸取教训吗？

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See to it that the boys learn the lesson well.

请留意使学生熟习功课。

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