直升机

China's AVIC Helicopter Co is breaking away from Eurocopter, its partner in the joint EC 175/Z-15 medium helicopter programme, following a decision to re-engine the Chinese Z-15 variant with an indigenous powerplant.

这个版块不是有另一篇帖子援引简氏的报道说中国国内准备单练直升机的发动机吗？谁不靠谱？

Venezuela justifies its purchases of jet fighters, military helicopters and assault rifles on the grounds that its armed forces need to re-equip.

委内瑞拉认为其购买战斗机、军用直升机和突击步枪属正当行为，因为其军队需要更新装备。

Helicopter rotor design blade number vibration dynamic characteristics air loads response

直升机；旋翼设计；桨叶片数；振动；动力学性能；气动载荷；响应

This paper gives the zero-pass rate curves of the vibration signals of the sounds from a helicopter tank , large vehicle and human walk analyzed by using the method, with the help of which ones can extracte the features of the target signals.

文中给出了应用该方法分析的直升机声音、坦克声音、大型卡车声音、人员行走的震动信号的过零率曲线。利用该方法可以提取目标信号的特征。

This is the sort of technology you would expect to find in just a handful of advanced military and transport aircraft, and frankly, I was amazed to find it being used on a two-place piston powered kit-built helicopter.

& &这是排序的技术，你会期望找到在短短的少数先进的军事和运输飞机，并坦白说，我感到吃惊找到它被用来对两个地方活塞动力洁兴建直升机。

He spent five years in a secret study of a small two-leaf helicopter.

他用了5年时间，一直在秘密研究一种小型的双叶直升机。

First flown in late September, 1958, the JHX-4 is a single-seat light helicopter with a two-blade main rotor which is driven by tip-mounted ramjet engines.

首先飞行在9月下旬，1958年，JHX - 4是一种单座轻型直升机的两片主旋翼是由尖端驱动式冲压喷气发动机。

Rather than wait for the small island ship to transport them to the island they were flown in by helicopter.

在请了一名律师作为该诉讼案的辩护律师后，到岛上去的岛内小船，改乘直升机飞过去。

Rather than wait for the small island ship to transport them to the island they were flown in by helicopter.

他们来不及乘坐送他们到岛上去的岛内小船，改乘直升机飞过去。

Stranded in her home in the town centre, the woman gave birth prematurely before the helicopters arrived.

束手无策的她只好滞留在市中心的家中，她在直升机抵达之前早产了

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐