科学家们认为这个速度加上行星的重量屈服于强大的重力牵引力，可以改变行星的运行轨道。
Scientists think that this speed coupled with the planet's heft yields strong gravitational tugs that can alter the planets orbit.
由于类似空气阻力的牵引作用，这些气体的（运行）速度减缓。
The gas was slowed by a drag force similar to air resistance.
在拖车运行时必须谨慎地操纵控制系统，否则牵引机就会被推倒。
Great care had to be taken with the control systems for a powered trailer because, when turning, it can push the tractor unit over.
假如它们相互绕轨道运行得更快一些，譬如说，绕轨道运行一周的时间降为3分钟，那么这一对白矮星就会相互牵引得过于靠近，而开始从另一个中抽取氮气。
If they orbited each other any more quickly, say, on the order of three minutes per orbit, the stars would pull so close that they would begin siphoning helium off one another.
牵引变电站设施的分布与容量应满足干线的速度目标、交通量、编组以及运行间隔要求。
Distribution and capacity of the traction substation facility shall satisfy the requirement of the velocity aim traffic volume marshalling and running interval of main line.
以不锈钢网带和塑料网带作牵引件输送物料，运行平稳、造型美观、使用寿命长。
Stainless steel mesh belt and plastic mesh belt conveyor for traction pieces of material, run a smooth, handsome in appearance, long service life.
大秦线上运行的两万吨运煤列车长度可达7公里，由大功率电力机车牵引，大大降低了运营成本。
Along this line 20,000-ton coal trains can reach a length of over 7 km pulled by powerful electric locomotives over an extra heavy duty track and driving down operating costs.
最后给出了三相牵引变压器的过载能力曲线组，供设计、运行单位使用。
A group of overload capability curve of three-phase electric traction transformer is given for use by design and operation units.
另一方面，地铁牵引供电网络是一个交直流混合的网络，运行方式较为复杂。
On the other hand, since traction power supply network is a AC-DC network, its running modes are complicated.
承载与牵引分开的结构，使输送机受力合理、运行平稳。
It has the structure of load bearing separated from pulling, which enables the conveyor to have reasonable load-carrying and stable working.
承载、转向和牵引是地面运行车辆的三大基本功能。
Three basic functions of the ground running vehicles are bearing, steering and traction.
讨论了大功率牵引用几个PWM变流器的并联运行。
This paper deals with the parallel operation of several Numbers of PWM converters for a high power traction application.
而且牵引力好的那个车轮仅获得和差的车轮一样的很少量的扭矩，此时，你的车就不能正常运行。
And when the wheel with good traction is only getting the very small amount of toque that can be applied to the wheel with less traction, your car isn't going to move very much.
根据直流牵引电动机在持续运行中的温升变化控制通风机的电动机转速，实现通风量调节，以达到节能目的。
According to temperature changes of the DC traction motor in continuous operation, the fan motor speed is controlled, and the purposes of regulation of ventilation and energy-saving are achieved.
为了在运行的时候平稳起见，增设了弹簧缓冲装置，当起动或停止的时候，均能保持稳定，在车的牵引装置上装有缓冲弹簧。
In order to smooth at run time, add the spring buffer device, when starting or stopping, can remain stable, in the car's traction device is equipped with buffer spring.
在评价牵引变压器的过负荷能力时，所选择的典型负荷曲线必须合理，使之能够正确反映线路的牵引变压器运行状况。
The typical load curve which is selected for evaluating the overload ability of traction transformer must be reasonable, it should reflect accurately the operation status of traction transformer.
牵引供电系统作为铁路运行系统的一个子系统，必须是一个高可靠的系统。
Traction power supply system as a subsystem of the railway operating system should be a highly reliable system.
单边直线感应电机运行中因次级板产生涡流而存在第二类纵向边缘效应，造成气隙有效磁通和牵引力系数降低。
The LIM has the second longitudinal end effect caused by eddy currents in secondary plate in its operation, which reduces its available magnetic flux of air gap and pull coefficient.
本篇论文第一章研究了城市铁路供电系统(包括直流牵引供电系统和交流供电系统)的构成和运行方式。
In the first chapter, studying the structure and running performance include the DC traction power supply and ac power supply system.
对牵引吨位的计算，采用了曲线拟合的计算方法，能够在列车起动最短的时间、运行最短的距离内计算出牵引吨位。
By using the method of curve fitting to calculate the traction tonnage, we can gain the traction tonnage within short time and short distance after the locomotive start.
冷却风道采用吊装方式安装，避免了焊接对空气动力学牵引端受力的影响，保障了列车的安全运行。
By hoisting the cooling air duct are fully introduced and it avoids the effects of welding on the load of aerodynamics traction components, and guarantees the safe operation of trains.
西门子同时亦为27列将在广佛线上运行的列车提供控制及牵引系统。
Siemens will also supply the train control and propulsion system for 27 metro trains which will be running on Guang-Fo Line.
在垂直循环停车设备中，动力装置带动链传动系统运行，再经链条外伸件牵引存车托架循环运动，完成存、取车辆作业。
In the vertical circulating parking equipment, the power device drives the chain transmission system , and the latter pulls the cages to circulate through the chain extension components.
作为索道的承重牵引设备钢丝绳的运行可靠性是索道安全运行的基本保证。
Reliable traveling of rope as the load carrying and towing equipment is necessary to ropeway safe operation.
它的核心是能够实时计算得到机车运行过程中的牵引力和制动力。
The real time calculation of tractive force and braking force is the core of the system.
当一颗行星绕它的轨道运行时，它能来回牵引恒星。
PRC平巷人车由牵引机车牵引成列运行。
PRC drift car by traction locomotive traction into column operation.
最后，通过对牵引供电系统异相电弧短路和电力机车运行过程的仿真，验证了保护方案的正确性，有效性和可行性。
At last, the accuracy, efficiency and feasibility are indicated by analyzing the simulation datum of the arc wrong-phase short circuit and the running of the electric locomotive.
摘要作为索道的承重牵引设备钢丝绳的运行可靠性是索道安全运行的基本保证。
Reliable traveling of rope as the load carrying and towing equipment is necessary to ropeway safe operation.
摘要作为索道的承重牵引设备钢丝绳的运行可靠性是索道安全运行的基本保证。
Reliable traveling of rope as the load carrying and towing equipment is necessary to ropeway safe operation.
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