Conclusion: It is feasible to develop and produce geotextiles weaving machinery in Lanzhou Flight Control Instrument Factory and will have a good economical and social benefit.

通过本文的可行性研究认为：在兰州飞控仪器总厂土工布编织机械项目不仅在技术上是可行的，而且具有良好的经济效益和社会效益。

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The Instrument Rating gives the ability to control the aircraft without reference to the ground or horizon, using flight and navigation instruments.

仪表等级赋予飞行员控制飞机的能力，而不用参考地面或地平线，只使用飞行和导航仪表。

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Examples of this type of control include formation flying, instrument flight, and landing.

这类操纵的例子包括编队飞行，仪表飞行和着陆。

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