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In a helicopter the articulated head and tail rotor gearbox are required to be a very high specification design using the best materials and requiring frequent and costly maintenance.

在直升机的阐述头和尾桨变速箱都必须是一个非常高规格的设计使用最好的材料和需要频繁和昂贵的维修。

The two identical rotors travel in opposite directions making a tail rotor obsolete.

这两个相同的转子旅行方向相反使尾桨过时。

The Synergy N9 tail rotor system is ready for hard 3D.

协同n9尾桨系统是准备硬3d。

Designed two years earlier, making use of the system of twin coaxial, contra-rotating rotors which dispensed with the need for a tail rotor.

两年前设计，制造的双同轴系统的使用，禁忌旋转转子的同一个尾桨需要配发。

The tail rotor is mounted on the right side.

尾螺旋桨安装在右侧。

Another good point of the tandem rotors is that no tail rotor is needed to counter the torque so that the power efficiency is excellent.

纵列双旋翼的另外一个好处是不象其他直升机那样需要一个尾桨来平衡旋翼的扭矩，动力效率高。

A method is used to calculate the correlation dimension from a time series, and the correlation dimension is used to analyze the aeroacoustic noise signals of helicopter scissors tail rotor.

分析结果表明剪刀式尾桨引起的气动噪声含有混沌特性，同时对比理论和试验结果表明剪刀尾桨构型的参数对气动噪声有明显的影响。

This heavy duty fin will adequately protect the tail rotor system during 'rough' landings.

这将充分保障重型翅尾部旋翼系统的粗糙的登陆。

Additionally walking into the tail rotor or main rotor is a safety concern for bystanders.

此外走进尾桨或主旋翼是一个安全关切的旁观者。

The machined self lubricating composite tail rotor gears will stand up to the most aggressive 3D flying.

加工自润滑复合尾桨齿轮将迎接最激烈的三维飞行。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。