c919将进入密集试飞阶段-凯发k8官网

c919将进入密集试飞阶段

文章来源：未知文章作者：enread 发布时间：2019-08-05 01:56 字体： [ ]　

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china's c919 passenger airplane will enter into a new phase of intensive test flights in the second half of this year, according to the commercial aircraft corp. of china (comac).

中国商飞表示，c919客机今年下半年将进入新一阶段的密集试飞。

a total of six prototypes of the jetliner model will be put to the intensive test flight missions with two more aircraft set to join the fleet, said the developer.

on aug. 1, the fourth c919 prototype completed its first test flight mission. it took to the sky over shanghai pudong international airport and underwent various ¹ and system checks during the flight of one hour and 25 minutes.

the fourth c919 prototype mainly underwent tests covering the avionics system, taking-off and landing performances, automatic flight system and performances in natural icing conditions.

these flight tests are a key verification phase for an aircraft model to ² its design and performance, especially its safety aspects.

the c919, china's first homegrown trunk jetliner, conducted a successful ³ flight on may 5, 2017, at shanghai pudong international airport.

to date, the comac has received 815 orders for the c919 planes from 28 customers worldwide.

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1
n.检查( inspection的名词复数 )；检验；视察；检阅
参考例句：
regular inspections are carried out at the prison. 经常有人来视察这座监狱。 government inspections ensure a high degree of uniformity in the standard of service. 政府检查确保了在服务标准方面的高度一致。来自《简明英汉词典》

2
vt.（法律）使有效，使生效
参考例句：
you need an official signature to validate the order.你要有正式的签字，这张汇票才能生效。 in order to validate the agreement,both parties sign it.为使协议有效，双方在上面签了字。

3
n.少女，处女；adj.未婚的，纯洁的，无经验的
参考例句：
the prince fell in love with a fair young maiden.王子爱上了一位年轻美丽的少女。 the aircraft makes its maiden flight tomorrow.这架飞机明天首航。