航空的

This paper described the mechanism of the aero-engine windmilling drag, and theoretically deduced the formula for determining it in the simulated altitude test, and finally the experimental method for determining the engine windmilling drag was introduced.

本文分析了航空发动机风车阻力的产生机理，推导了发动机高空台试验中风车阻力确定的计算公式，介绍了航空发动机风车阻力确定的试验方法。

In order to solve the problem of engine starting characteristics calculation under windmilling condition, a generalized format of engine starting nonlinear mathematical model based on liner-in-parameters model was given.

针对高空风车条件下航空发动机起动性能估算问题，给出了用线参数模型描述发动机风车起动非线性过程的一般形式，利用约简遗传规划算法进行模型结构选择的思路，建立了基于约简遗传规划的航空发动机起动性能计算模型。

China Civil Aviation Authority said that if the three countries to the success of the injection of air, it will be the first domestic airline to the state-owned capital injection, it has not seen before Precedent.

11 17，中国民用航空管理局说，如果这三个国家的空气注入成功，这将是国内第一家航空公司的国有资本注入，也没有以前的先例。

"Feihang" brand man-made boards produced by the Group include medium density fibre boards, composite floor boards, joinery boards, container bottom boards and so on.The Group has become the largest container bottom board-produced ernterprise."Bashan" brand metal wires, wire mesh sreeens, filter screens are widely used for many fields,such as aerospace, autos manufacture, metallurgy, chemical industry, machinery, electronics and so on."Hangkong" brand liquid nitrogen living things vessel line products has obtained State Silver Medal for three times. The company has produced different specifications and types of cryogenic containers.

集团生产的&飞航&牌人造板材包括中密度纤维板、复合地板、细木工板、集装箱底板等100多个品种，成为国内最具规模的集装箱底板生产企业；&巴山&牌金属丝、金属筛网、滤网等产品广泛用于航空航天、汽车制造、冶金、化工、机械、电子等行业；&航空&牌液氮生物容器系列产品三次被评为国家银质奖章，生产出3升到400升30余种不同规格和型号的低温容器，广泛应用于超低温冷冻技术和畜牧、医疗、科研等不同领域。

Oversees the safety of civil aviation in Canada by developing regulations, issuing licenses to pilots and aircraft maintenance engineers, certifying airports and aerodromes, inspecting and monitoring air carrier operations and approving new and modified aeronautical products.

通过完善法规，向飞行员颁发执照和给飞机维修工程师颁发证书，机场评级，检查和监控航空承运人的运行，核准新的和改进的航空产品，监督加拿大民航安全。

We put forward a method for avionic sensor system evaluation based on Powell network.

航空电子传感器系统是由多个子系统组成的复杂的系统，传统的传感器系统评估方法不适合评估航空电子传感器系统。

Avionic sensor system is a complex system consisting of multiple subsystems, and the traditional evaluation methods for sensor system are not fit for it, We put forward a method for avionic sensor system evaluation based on Powell network.

航空电子传感器系统是由多个子系统组成的复杂的系统，传统的传感器系统评估方法不适合评估航空电子传感器系统。

It is conservatively estimated to comprise some 2,500-3,000 companies at all levels of the supply chain, operating at all phases of the aerospace lifecycle, including: global manufacturers of large civil airliners, regional and business jets, and heli- copters; military combat, transport and training aircraft; and satellites and guided weapons.

据保守 估计，英国航空航天业由2500至3000家公司组成，囊括了整个供应链的所有层次，经营范围覆盖航空航天业生命周期的所有阶段，包括大型民用客机、地区和商务喷气飞机、直升机、军用战机、运输机和教练机，以及卫星和导航武器的全球制造商。

The terminological behavior of high carbon chromium molybdenum steel used for guide pin of delivery valve in aeroengine, as well as the production, constitution and microstructure of hard phases in this material has been studied.

高碳高铬钼合金钢(Cr18Mo16V)具有较高的耐磨性，成为航天、航空和石油化工装置中有关零部件的关键材料之一，而且需要量也越来越大，尤其是用于航空发动机供油系统阀体导销，更表现出了该材料的良好使用性能。

EADS management is facing twin probes by stock market authorities and its main shareholders following the Franco-Germa-group's shock profit warning this week amid delays on its flagship Airbus 380 airliner.

欧洲航空防务与航天公司管理层，正面临来自股票市场监管机构及主要股东的双重调查。此前，在多次推迟其旗舰机型空客380客机交货的同时，这家法德合资航空航天集团于本周发布令人震惊的利润预警。

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。