The spinning of the propellers generates the necessary lift, or upward force, to raise the platform.
螺旋推进器快速旋转，生成必要的上升力，使平台升起。
Any body abovementioned the earth will fall unless it is supported by an upward force equal to its weight.
地球上的任何物体都会落下来，除非它遭到一个大小与其重量相等的力的支持。
When the float upward force and float suffered gravity, buoyancy and viscous forces of the force equal to three when the float is in equilibrium.
当浮子上升的力与浮子所受的重力、浮力及粘性力三者的合力相等时，浮子处于平衡状态。
Suffer the effect of gravity raindrop falls, when updraft, will have an upward force in rain, make its slow down, and a little rain may also be brought up.
雨滴受地心引力的作用而下降，当有上升气流时，就会有一个向上的力加在雨滴上，使其下降的速度变慢，并且一些小雨滴还可能被带上去。
Moreover, the effect of real gas for small angle-of-attack case results in small downward force moment, whereas that for large angle-of-attack case results in small upward force moment.
此外，小攻角时真实气体效应产生小低头力矩，而大攻角时产生小抬头力矩。
Analyzed from the stress Angle, the lathe-bed is mainly imposed by a vertically upward force, moreover, the lathe-bed is not slender, so the direction of tangential stress should not be ignored.
从床身的受力角度看来，床身主要受到垂直方向上的力，而且床身不是细长的结构，切应力的方向不能忽略。
In a fluidised bed a fluid is passed through a bed of particulate solids at a velocity sufficient to provide an upward force equal to the weight of the particles, therefore buoying the particles.
在流化床中，流体通过固体颗粒床层，其流速足够产生一个与颗粒重量相等的向上的力。因此而使颗粒悬浮。
The attractive force between the dimer and the needle drew the lower atom of the dimer upward, causing the dimer to shift from one position to the other.
二聚体与探针之间的引力将二聚体中较低原子向上方拉动，使二聚体从一种姿态切换至另一种。
The force upward equals the force downward so that the balloon stays at the level.
向上的力与向下的力相等，所以气球就维持正在这一高度。
The force upward equals the force downward so that the balloon stays at the level.
向上的力与向下的力相等，所以气球就保持在这一高度。
Because the stream moving along the bottom displaces the lighter fluid upward, a force must be provided to overcome boundary resistance.
因为沿底部运动的异重流与上部较轻的流体置换，必须产生一种力来克服边界阻力。
The key is absorbing the downward motion and reversing the force into an upward motion as rapidly and smoothly as possible.
要点就是吸收向下的动力，并尽可能迅速平稳地将这个力量转换成向上的动力。
The upward buoyant force on an object partially or wholly submerged in a fluid is equal to the weight of the displaced fluid.
部分浸没或全部浸没在流体中的物体所受到的向上浮力，等于它所排开流体的重量。
The horizontal upward trunk rotating force is basic and important for discus throw, but to improve it is difficult to coincide with the traditional apparatus for gravitation exercise.
水平方向上的躯干扭转力量是铁饼专项重要的基础力量，但提高它的练习方法很难与传统的重力性练习器械吻合。
This is an expansive, upward moving force that makes us feel energetic and emotional, but not well grounded.
这种充分扩张的上行能量，使我们精力充沛思维活跃，但也较不易平静。
Buoyant force is equal to the weight of liquid displaced. It acts vertically upward.
浮力等于排开液体的体积，方向垂直向上。
Until this week, the domestic market stability DCP, quote the basic maintenance of pre-level, the overall view, the market is still a lack of support for a potential driving force prices upward.
截止本周，国内磷酸氢钙市场稳定，报价基本维持前期水平，整体看来，目前市场依然缺乏支撑价格大幅上扬的潜在动力。
Power, the electromagnetic force directly to the pilot valve and main valve closed small pieces followed by upward, open the valve.
通电后，电磁力直接把先导小阀和主阀封闭件依次向上提起，阀门打开。
Power, the electromagnetic force directly to the pilot valve and main valve closed small pieces followed by upward, open the valve.
通电后，电磁力直接把先导小阀和主阀封闭件依次向上提起，阀门打开。
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