横膈膜向下运动让空气进入肺部。
过去我们常常认为土的自然规律就是向下运动。
We are used to that, earth has a natural motion of downwards.
原料从窑的较高端进入并稳定地向下运动，到达燃烧区。
The raw material is introduced at the higher end and moves steadily down the kiln to the burning zone.
当针继续向下运动时，在旧线圈的作用下，针舌被关闭。
The movements of a latch needle in forming a knit loop are as follows.
的向下运动，一些空气燃料混合气的新鲜充量将被吸入气缸。
A fresh charge of air-fuel mixture will be drawn into the cylinder as the piston moves down toward.
在该系统的机械设计，双螺杆驱动器是用于实现向上和向下运动。
In the mechanical design of the system, screw pair drive is applied to achieve the up-and-down movement.
小球在窗口内的移动不能垂直向下，可以以某个角度斜向下运动。
The ball is not moving in the window vertically downward at an Angle oblique to the next campaign.
进气行程：凸轮轴打开进气阀，活塞在汽缸中向下运动，产生一段真空。
Intake stroke: the camshaft opens the intake valve and the piston moves down the cylinder. This creates vacuum and sucks in air and fuel into the combustion chamber above the piston.
因此物体向下运动时，速度是变化的,当它到达位置-1时,会猛的停下,然后返回。
So the object goes down, the velocity changes and when it is at position minus one it has come to a grinding halt and now it is returning.
身体中心的移动：当吸收和伸展的时候，身体中心要始终沿滚落线向下运动。
Center of Mass Moving Through:Whenabsorbing and extending the center of mass should always be movingdown thefall line.
由于压实，增加了表层土壤的体积质量，降低了土壤孔隙度，水不易向下运动。
The volume quality of top soil is increased and the soil porosity is reduced owing to compaction, so water flow downward difficultly and the amount of water vertical infiltration is reduced.
一种用于控制电梯车厢运动速度的离心致动装置，包括控制向上和向下运动的能力。
A centrifugally activated device for controlling the speed of movement of an elevator cab includes the capability of controlling upward and downward movement.
手动按压部分由按压杆带动滑柱及按压头向下运动，并通过限位环来控制按压头的行程；
The manual pressing section makes the downward movement by a slide cylinder and a pressing head driven by a pressing rod, and the travel of the pressing head is controlled by a limited ring;
因此，水立即加速向下运动，但由于惯性，到照片拍摄时，仍然只有极少量的水改变运动状态。
The water immediately began to accelerate downward but, due to its inertia, moved only a very small amount by the time the photo was taken.
空气和燃料，是由各该活塞向下运动，活塞然后移动起来，这是挤出，然后点燃混合气进入气缸。
Air and fuel are drawn into the cylinder by the downward movement of the piston, the piston then moves up and squeezes this mixture which is then ignited.
在发射的最初阶段会产生一个阻力，使得炮弹可以保持水平飞行，很快阻力就消失了，自然力使得它向下运动。
Well there is this initial impedance from explosion, sure the cannon ball can keep going horizontally but as soon that impedance goes it store its natural motion which is downward.
空气在向下运动过程中受到浮标向上的推力，使阀球将阀门里的气舱密封住，这样迫使气流进入雾笛。
Air is forced up from the buoy counterweight tube during downward motion causing the balls to seal the air ports in the valve, thus forcing the air to flow into the whistle.
我们知道水都是往下运动的，就好比如同下雨一样，但是你会发现如果在右边的水也向下运动，就会产生一个空隙，在吸管里会有一段真空部分。
We know the water moves downwards when its left to itself as in rain, but you see if it moves downward on the right that would leave a gap, vacuum a hole in the pipe.
当我把物体扔出去，无论是垂直向上扔，还是垂直向下扔，这都是一维运动。
Whether I drop an object or throw it vertically up or I throw it vertically down, it's all one-dimensional.
现在请思考下那对运动力暗示着什么,假设你在这里有个东西，它向下进行运动。
ok now think about what that implys about motion suppose you have got a bit of stuff here and its moving downwards.
腿向下和向后有力的伸展产生向前的水平运动。
The powerful extension of the leg downward and backward creates the horizontal movement forward.
在缓慢的速度中手指、手、前臂和上臂向上或向下的运动是同时。
In slow tempos the fingers, hand, forearm, and upper arm move up or down simultaneously.
我所看到的宣称，花式墙模式限制的运动向下，使上方的袋子停留以及垫。
I have seen claims that fancy wall patterns limit the movement of the down so the top of the bag stays well padded.
相比之下，大陆市场对于每日涨跌的最大幅度有着10%的限制，这意味这向下的调整将是一场漫长的螺旋式运动，而不是一场断崖式的下跌。
By contrast, the mainland market restricts gains and falls to a daily maximum of 10%, which means a downward correction will be a long spiral rather than a vertiginous drop.
移动向上和向下（您可以使用转向限制的运动方向） ，直到车轮触摸红色轴线。
Move it up and down (you can use shift to constrain the movement direction) until the wheels touch the red axis.
感觉刺激通过脊髓传到脑部，脑部的刺激通过脊髓向下传导到运动神经元，再通过周边神经到达身体的肌肉和腺体。
Sensory impulses reach the Brain via the spinal cord, and impulses from the Brain travel down the spinal cord to motor neurons, which reach the Body's muscles and glands via the peripheral nerves.
从1980年代起，区域己经经受快捷解除工业化，当钢厂关闭和把运动嵌入一经济衰退的向下螺线结果是一系列的社会的问题时。
Since the 1980s, the area has undergone rapid deindustrialization as the steel mills closed and set in motion a downward spiral of economic decline resulting in a series of social problems .
从1980年代起，区域己经经受快捷解除工业化，当钢厂关闭和把运动嵌入一经济衰退的向下螺线结果是一系列的社会的问题时。
Since the 1980s, the area has undergone rapid deindustrialization as the steel mills closed and set in motion a downward spiral of economic decline resulting in a series of social problems .
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