直升机

The high order linear space state model has 25 state variables, including six degrees of freedom of rigid fuselage, flap motion of main and tail rotor, non uniform dynamic inflow at rotor plane.

以某型直升机为例，对线性模型与非线性模型的时域动态响应，及 2 5状态高阶线性模型和传统 6自由度 9状态模型的特征值进行了比较，验证了建模方法的可靠性和精度

Storey ;1st-3rd floor are bank ,4th-5th floor are restaurants ,6th-7th floor are multi-fuction Board Rooms and roof garden ,8th-37th floor are office , roof floor is helipad ; Basement 1-3 are car parking

总楼层为37层；1-3层为银行，4-5层为餐厅，6-7层为会议室和平台花园，8-37写字楼，顶层为直升机停机坪；地下1-3层为停车场。

This is a one-man ultra-light helicopter designed for active leisure time and aeroclub flying.

这是一人超轻型直升机积极的闲暇时间和航空俱乐部的飞行而设计的。

Ultra-light helicopter - engine runs at maximum speed 3800 rpm.

超轻型直升机-发动机在最大运行速度为

The Ultra-light comes into the same class of helicopter as the "Djinn" built by SNCASO in France.

超轻来自同一班级为直升机进入&灯灵& SNCASO建在法国。

One of SprayCool's electronics enclosures completed its flight test program in brown-out conditions as part of Sierra Nevada Corporation's Helicopter Autonomous Landing System.

作为内华达山脉公司直升机自动着陆系统的一部分，一个SprayCool公司电子设备，在灯火管制情况下完成了飞行测试计划。

For winter travel there is downhill skiing, heli skiing and plenty of cross country skiing.

冬季旅游有高山滑雪，滑雪直升机和大量的越野滑雪。

Snowcat skiing is typically much more affordable than helicopter skiing and can be more adaptable to skier ability.

Snowcat滑雪通常更加低廉比直升机滑雪，可以更适应滑雪者的能力。

Snowcat skiing is typically much more affordable than helicopter skiing and can be more adaptable to skier ability.

Snowcat滑雪通常更加低廉比直升机滑雪和能够更加适应滑雪者能力。

Helicopter skiing is much less restricted geographically than snowcat skiing.

直升机滑雪的限制要少得多的覆盖面积比snowcat滑雪。

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