它由两个喷气涡轮引擎提供动力，以驱动五个叶片的主旋翼，以及通过齿轮箱和连轴驱动在两边短翼上的一对螺旋桨。
It is powered by two jet-turbine engines which operate both the five-bladed main rotor and, through a gearbox and shafts, a pair of propellers on two short wings.
而普拉特&惠特尼则正在尝试在风扇和涡轮之间加入一个变速箱，因为风扇低速运转更高效，而涡轮机高速运转则更高效。
Pratt &Whitney is exploring putting a gearbox between the fan and the turbine, because fans run more efficiently at low speeds and turbines operate better at high speeds.
他补充道，还有，这种齿轮箱与已经在飞机上使用的由涡轮驱动的为飞机提供动力的小型齿轮箱采用了相同的钢材。
Moreover, he adds, the gearbox is made from the same kind of steel that is already used in the small gearboxes that take power from turbofans for aircraft systems.
真正棘手的原料是稀土金属，比如用在涡轮机变速箱中的钕。
The most problematic materials may be rare-earth metals such as neodymium used in turbine gearboxes.
上个月，以生产风力涡轮机的变速箱为主业的哈森国际传输公司，在伦敦股票交易所上市。
LAST month Hansen Transmissions International, a maker of gearboxes forwind turbines, was listed on the London Stock Exchange.
Pratt&Whitney在探索将一个变速箱放在风扇和涡轮机中间，因为风扇在低速时效率较高，而涡轮机则在高速时更高效。
Pratt & Whitney is exploring putting a gearbox between the fan and the turbine, because fans run more efficiently at low speeds and turbines operate better at high speeds.
笔者通过对校准箱中德国涡轮发动机动力模拟器(TPS)天平的研究，提出了外式组合天平校准方法及校准原理。
In this paper, a calibration method and principle of outer composed-balance are put forward for calibrating Germany Turbine Power Simulator (TPS) balance on calibration tank.
例如有些涡轮增压器空气冷却腔尾箱是用塑料制成的。
The end tanks of turbocharger air cooler housings, for example, are sometimes made of plastic.
以某涡轮减速箱零件为例，对系统进行了实例验证。
Taking a gearbox as an example, all functions of the system were verified.
该控制器通过对涡轮轴转矩的自适应估算，将其作为参考转矩提供给磁场定向控制的鼠笼式异步电机。异步电机通过变速箱与涡轮轴相连接。
The controller provides an adaptive estimate of the turbine shaft torque as a torque reference for a field oriented squirrel cage induction machine.
该控制器通过对涡轮轴转矩的自适应估算，将其作为参考转矩提供给磁场定向控制的鼠笼式异步电机。异步电机通过变速箱与涡轮轴相连接。
The controller provides an adaptive estimate of the turbine shaft torque as a torque reference for a field oriented squirrel cage induction machine.
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