给物体一个推力,就等价于推力作用在重心的情况。
If you are going to push that object that would be really where the equivalent point mass would lie.
他给我一个推力,我踩了几下踏板,就倒在草地上。
He would give me a push, and I would pedal a few stokes and fall in the grass.
可以控制油液流如液压缸的其中一端,在活塞杆上产生一个拉力或产生一个推力。
Flow into the cylinder can be directed to either end, producing either a pushing or pulling force at the piston rod end.
组合式滚针轴承是由一个向心滚针轴承和一个推力轴承相结合,因此能够承受径向和轴向负荷。
Combined needle roller bearings consist of a radial needle roller bearing combined with a thrust bearing and are consequently able to take up both radial and axial loads.
针对典型的层板发汗冷却结构,提出了利用一个推力室的实验数据来计算另一推力室所需发汗流强的方法。
A new calculation method was proposed for the typical structure of the platelet transpiration flux in the rocket thrust chamber based on the test data of another chamber.
这提供了一个向前的运动,称为推力。
在美国,现在或许是给气候变化一个额外推力的良好时机。
It may be a good time to give climate change an extra push in America.
这意味着它只要一个异常小的推力就可以滞留在空中。
This means it requires an unusually small amount of thrust in order to stay airborne.
“黎明”号的离子发动机产生0.092牛顿的推力,就像一个较小烟火火箭推动力的五十分之一。
Dawn's produce 92 millinewtons of thrust, something like a fiftieth of the amount in a smallish firework rocket.
一个能制造出5000度高温蒸汽和13800磅推力的火箭推进器,是怎样使喷口边缘结冰的呢?
How can a rocket engine that generates 5,000 degree steam and 13,800 pounds of thrust form icicles at the rim of its nozzle?
如果风向合适,乘车人可以用一个类似于降落伞样的风筝(很像风筝冲浪所用的那种)来给汽车提供额外的推力。
With the right crosswinds, the passenger can deploy a parachute-like kite (similar to those used by kite surfers) to provide added thrust for the car.
我的第一个观点是‘没有推力,就没有变化’,但是我的第二个观点是,如果你推得太厉害了,反而会让革新变慢。
My first point is' no push no change 'but my second point is if you push too hard maybe your time will be slower.
但是光的新特性比单纯的推力要高级:光能产生这种更复杂的作用力-提拉力,很显著的例子是一个方向的光通量可以使物体垂直移动。
Light's new trick is fancier than a boring push: It created the more complicated force called lift, evident when a flow in one direction moves an object perpendicularly.
一个最早的软件物理引擎是ENIAC计算机,用来仿真给定了重量、角度、推力和风速变量的炮弹。
One of the earliest software physics engines was the ENIAC computer, which was used to simulate artillery shells given variables of mass, Angle, propulsion, and wind.
我的第一个观点是‘没有推力,就没有变化’,但是我的第二个观点则是“欲速则不达”。
My first point is' no push, no change ', but my second point is, if you push too hard, maybe your time will be slower.
第一个就是在金融危机中场外信贷衍生品扮演的助推力角色。
The first is the role OTC credit derivatives played in amplifying the financial crisis.
朝水有一个朝此方向的推力,水反过来推水管,就让水管蛇行了。
The garden hose pushes onto the water in this direction The water pushes back onto the garden hose and it snakes back.
PST的幻灯片提供平滑精确的以两倍于一个单一的缸孔精度高推力直线运动。
The PST slide provides smooth precise linear motion with high accuracy at twice the thrust of a single bore cylinder.
但调查人员发现,这起事故有可能是一个严重的非对称推力(具体指两台发动机推力不同)问题造成了左滚,导致飞机失去控制。
The investigators found that the circumstances of this accident indicate that a severe asymmetric thrust condition caused a left roll that led to loss of control of the airplane.
我们增加了一个逆向选择飞块参数,允许你翻转它的推力。
We've added a reverse option to the flying blocks parameters, allowing you to invert its thrust.
是强迫从一个重新喷气引擎结果后,在相反方向的积极力量气体进行的行动,并且通常被称为'推力'。
The action of forcing gases out from the rear of the jet engine results in a re-active force in the opposite direction, and is commonly referred to as' thrust '.
直升机旋翼既要提供升力又要提供向前的推力是造成这一情况的主要原因,同时旋翼产生的震动也是一个让直升机飞不能高速飞行的部分原因。
That is partly because of increasing vibration, but mainly because the spinning rotor blades provide both lift and propulsion.
一个涡桨可以比其他的飞机发动机多处理一些气流,因此在低速时,无论给定的燃料占总量的比例是多少,都会产生最大的推力。
A turboprop handles a larger airflow than any other aircraft engine and so (at low speeds) generates the largest thrust for any given rate of fuel consumption.
有两列滚动体的双向推力滚动轴承,每列只在一个方向承受轴向负荷。
There are two bi-directional thrust bearing rolling bodies, each listed in only one direction of axial load.
一个有用的例子是非常低推力轨道提升的情况下。
One useful example is the case of very-low-thrust orbit raising.
我的第一个观点是‘没有推力,就没有变化’,但是我的第二个观点则是“欲速则不达”。
My first point is 'no push, no change', but my second point is, if you push too hard, maybe your time will be slower.
在文中所研究的引射燃烧室结构条件下,存在一个最佳二次喷管出口面积,它能使引射火箭的推力达到最大。
There exists an optimal exit area of secondary nozzle to result in a maximum thrust of rocket ejector in the light of the investigated ejector chamber structure.
在文中所研究的引射燃烧室结构条件下,存在一个最佳二次喷管出口面积,它能使引射火箭的推力达到最大。
There exists an optimal exit area of secondary nozzle to result in a maximum thrust of rocket ejector in the light of the investigated ejector chamber structure.
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