激光的发明给科学家们提供了一种强大的光源,同时也是地球上的一种能够产生有效功的推力。
The invention of the laser provided scientists with a stronger source of light and a push that could do useful work on Earth.
上上个星期,一枚猎鹰号运载火箭发射升空:伊隆麝香私人资助了猎鹰9号大推力运载火箭。
THE week before last, a falcon was launched into space: Elon Musk's privately financed falcon 9 heavy-lifting rocket.
在500英尺位置上,我调节发动机的推力在完全加力的状态下以400到450节之间的速度准备做水平360度转向的动作。
At 500-feet altitude, I modulate the power to arrive at show center in full AB at right around 400 to 450 knots for a level 360-degree turn.
霍尔推力器羽流中的离子能量分布情况对于评估推力器羽流影响,优化推力器在航天器上的布局具有重要意义。
The ion energy distribution in the plasma exhaust plume of a hall thruster is important to evaluate the influence of the hall thruster plume and optimize the thruster position on the spacecraft.
在'梦内容'已推力的研究领域始终,实际上是没有多大的后果。
The 'dream content' which has been the thrust area of research always, is in fact not of much consequence.
这个行为虽然看起来很诡异,但事实上要使电子反抗外加电场及磁场的“推力”,道理却相当简单。
Although this behavior might seem paradoxical, it is actually quite a simple matter to make electrons oppose the "push" of the applied electric and magnetic fields.
在国内RBCC研究中首次从理论上获得了具有较高推力增强的RBCC引射模态方案,对开展RBCC引射模态研究有重要意义。
It is in the first time in domestic RBCC researches that the RBCC configuration with relatively higher thrust augmentation in ejecting mode is obtained.
本文对利用低推力推进装置将卫星从低地轨道转移到静地轨道的可行性在技术上和经济上重新作了评价。
This paper makes an undated assessment of the technical and economic feasibility of transferring satellites from low Earth Orbit to Geostationary Orbit using low thrust propulsion.
从理论上分析了离心泵推力平衡装置产生磨损的原因,并提出了可行的解决办法。
The wear reason of trust balance device of Centrifugal pump is analyzed theoretically. A workable Solvent is put forward.
那么,即便游泳者是从右往左移动,他的手也是从上往下移动,所以浮力就叠加到前推力上(见图)。
So, even though the swimmer is moving from right to left, his hand is moving from top to bottom and the lift force adds to the thrust (see figure).
在考虑力矩平衡的二维剩余推力法的基础上,提出了一种三维极限平衡分析方法。
Based on the two-dimensional residual thrust method considering moment equilibrium, a new three-dimensional limit equilibrium method was proposed.
第一个使用液氧碳氢推进剂的国产液体燃料火箭发动机被安装在了火箭的E段上,它可以提供5.6吨的推力。
The first native liquid-fueled rocket engine used a liquid oxygen and carbon-hydrogen propellant, provided 5.6 tons of thrust, and was installed in unit e.
角接触推力球轴承在高速运转时,作用在球上的离心力和旋转力矩可能会导致钢球在滚道内滑动。
When angular contact thrust ball bearings operate at high speeds, the centrifugal forces and gyratory moments acting on the balls may cause them to slide on the raceways.
在地质勘探的基础上,采用传递系数法计算滑坡推力,从而确定滑坡体和滑塌体的稳定性。
Based on the geological survey, the stability of landslide and slump were determined in terms of slip force calculated by using transfer coefficient method.
本文在理论计算分析和试验研究的基础上提出了提高无控火箭密集度的一个途径,即阶梯推力方案。
On the basis of theoretical calculation analysis and experiment research, the paper proposes a new raising non-con-control rocket distrubution way. which is a step propulsion plan.
在探讨推力矢量描述参数及计算的基础上,提出了一种推力矢量测量方案。
After introducing and calculating the describing parameters of the thrust vector, this article puts forward a measurement scheme.
就连充当探测器电池的那一大块钚散发的热量,也产生了少量的推力。照射到探测器上的太阳光产生的少量压力也一样。
Even the heat from the chunk of plutonium that ACTS as the spacecraft's battery produces a smidgen of thrust, and so does the small pressure of sunlight hitting the spacecraft.
这些子级上安装了瓦·彼·格鲁什科设计的四推力室主发动机和谢·帕·科罗廖夫设计的用来控制推力矢量的新型姿态控制发动机。
The main four-chamber engines designed by V. P. Glushko and new control engines from s. P. Korolev for controlling the thrust vector were installed in these units.
脉冲推力发动机的工作特性,使得许多需要发动机提供连续推力的制导规律在工程上无法实现。
The operating characteristics of the engines make many guidance laws, which need the engines provide continuous thrust, be not realizable in the engineering.
当轴承套圈或垫圈相对旋转时(向心或推力轴承)或当滚动元件在滚动方向运动时(直线轴承),作用在轴承上的负荷。
When the bearing rings or washers relative rotation (radial or thrust bearings) or when the rolling elements in rolling direction of movement (linear bearings), the role of the load on the bearings.
世界上第一台可提供7吨推力的闭合回路液氧碳氢推进剂发动机被安装到L助推器上。
The world's first closed-loop engine, with thrust of about 7 tons and using liquid oxygen and carbon-hydrogen propellant, was installed in booster L.
动力定位系统是一种闭环控制系统,采用推力器来提供抵抗风、浪、流等作用在船上的环境力,从而尽可能使船舶保持在海平面要求的位置上。
The dynamic positioning system is a closed loop control system which resists against the disturbance by wind, wave, and current with the help of thrusters on the vessel.
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.
今年晚些时候,该团队将开始考虑如何将迷你推力器集成到飞行硬件上。
Later this year, the team will begin looking at how to integrate mini-thrusters to flight hardware.
在固体燃料冲压发动机性能分析基础上,推导了某发动机的推力和比冲与入口流量和温度之间的关系式。
The relations of thrust and specific impulse to inlet air flow and temperature are derived from theoretical analysis of solid fuel ramjet (SFRJ) performance.
常开:当线圈通电时,先导孔关闭,阀上腔由活塞节流孔增压和复位弹簧的推力,电磁阀关闭。
Normally Open: When the coil is energized, the pilot hole closed, the valve chamber and pressurized by the piston return spring throttle thrust, the electromagnetic valve is closed.
高挡墙在土石坝堆石的强大推力作用下,如何在斜坡上保持稳定,一直为各方所关注。
How to maintain the safety of the high concrete gravity retaining wall on the slope under the great thrust caused by the rockfill of the dam is a hot issue.
地震学家在BGS上的观测暗示出两件事:在接近于震源中心部位的西南方向上有更大的推力;在东北方向的传播方位上有更大的碰撞滑动。
The observations of seismologists at the BGS suggest both things: more thrust in the SW, nearer the epicentre, and more strike-slip toward its direction of propagation, the NE.
地震学家在BGS上的观测暗示出两件事:在接近于震源中心部位的西南方向上有更大的推力;在东北方向的传播方位上有更大的碰撞滑动。
The observations of seismologists at the BGS suggest both things: more thrust in the SW, nearer the epicentre, and more strike-slip toward its direction of propagation, the NE.
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