处方已经单向流动的太久了。
二极管是一种只允许电流单向流动的元件。
A diode is a device which only allows current to flow in one direction.
瓣膜让淋巴单向流动，比血液缓慢，压力较低。
Valves keep lymph flowing in one direction, more slowly than Blood and at a lower pressure.
一种铰接的阀，只容许流体单向流动，关闭时发出卡嗒声。
A hinged valve that permits fluids to flow in only one direction and clacks when the valve closes.
但是1993年的事件改变了军用飞机及装备独有的单向流动交易的状况。
But a key event in 1993 changed the almost exclusively one-way flow of trade in military aircraft and equipment.
结果表明，相对于单向流动，往复流动有更好的燃烧排放效果。
The results show that the emission level of the cyclic flow reversal combustion is lower than that of one-way flow combustion.
肠溶物的单向流动可以防止有毒物质的积累，使臭腹腺蝗成功耐受木薯叶中的氰化氢。
One-way movement of the gut contents prevents accumulation of toxic substances to injurious levels, enabling the insect to favourably tolerate hydrogen cyanide in cassava leaves.
止回阀属于自动阀类，主要用于介质单向流动的管道上，只允许介质向一个方向流动，以防止发生事故。
Check Valves are automatically used one-way flow of media channels, the media only allows flow in one direction in order to prevent accidents.
这种努力促使以物料循环利用为核心、物质闭环流动型的循环经济，取代传统的、物质单向流动的线性经济。
Such endeavor promoted the substitution of the traditional and unidirectional linear economy for the material closed-loop flow circulation economy having material circulation utilization as its core.
这种努力促使以物料循环利用为核心、物质闭环流动型的循环经济，取代传统的、物质单向流动的线性经济。
Such endeavor is promoting the substitution of the circulation economy whose character is material's circulation utilization for the traditional and unidirectional linear economy.
动态电压恢复器采用单向馈能电路结构，可以在能量单向流动的情况下，实现对因电缆压降而产生的电压暂降或暂升的持续补偿。
The dynamic voltage restorer is designed as unilateral energy flow equipment which can compensate continuous voltage sag or swell resulted from the voltage drop of power cable.
是的，我们连接在一张社交网络上，但是在很多情况下，“友谊”仅仅只是信息流动的媒介，而且流动大多是单向的。
Yes, we're linked in a social network. But in many cases the friendship is really just a vehicle that allows information to flow, and that flow is largely one-way.
人们经常把属性绑定描述成单向数据绑定，因为值的流动是单向的，从组件的数据属性流动到目标元素的属性。
People often describe property binding as one-way data binding because it flows a value in one direction, from a component's data property into a target element property.
西欧在文化融合过程中的优势也不意味着文化流动是单向的。
Nor does the preponderance of Western Europe in the integration process mean that the flow is one way.
但是我国股市流动性波动率高，并且和市场回报率之间存在单向格兰杰因果关系。
However, fluctuation rate of Chinese stock markets are high, and have unilateral Granger causal-effect relationship.
该适配器还包括一个单向阀来控制流体流动提供了一个液压缓冲功能。
The adapter also includes a check valve to control fluid flow and provides a hydraulic cushion feature.
由于该区内材料产生了巨大的单向反弹力，迫使已处于半熔化状态的表面材料向压力相反方向即无约束的自由表面流动，从而使磨屑形成。
The surface material under the condition of half melting is compelled to flow to the reverse direction, that is none restraint free surface. Thus, the grinding triturate is formed.
编辑本段特点单向阀是气流只能一个方向流动而不能反向流动的方向控制阀。
Editor this section features Check is air flows in one direction and not only reverse flow direction control valves.
但在液压回路中需要油流反向流动时又可利用控制油压，打开单向阀，使油流在两个方向都可流动。
However, the need for oil flow in hydraulic circuit reverse flows can use hydraulic control, opening a one-way valve, so that the flow of oil can flow in both directions.
焊接式高压单向阀只允许介质向一个方向流动，而且阻止方向流动。
Welding type high pressure check valve is only allowing media to flow in one direction, and stop the flow direction.
底加热时，热管内的运动多是循环的单向脉冲流动，并不是工质在某一个U型管或直管内的往复随机振荡。
In bottom heat mode, most of the movement of working fluid is pulsating and one-direction circulating flow, not random reciprocal oscillating in certain straight pipe or U-shaped pipe.
主要用于高压加压的天然气加气系统，防止加压天然气倒流的阀门。焊接式高压单向阀是靠管路中介质本身的流动产生的力而自动开启和关闭的，属于一种自动阀门。
Welding type high pressure check valve is generated by the pipeline flow of the medium itself force automatically turned on and off, is an automatic valve.
音乐具有时间性 ，由于时间流动的单向性 ，音乐要被再次欣赏就得进行复演 ；
But owing to the unidirectivity of time flowage, music must be replayed in want of reappreciation.
单向阀能防止管路中的空气回流，以及随之而来的因压缩空气朝这一方向流动而产生的压力损失。
The check valve avoids refluence of air in pipe - lines and consequent pressure loss in which compressed air is intended to flow in one direction only.
单向阀能防止管路中的空气回流，以及随之而来的因压缩空气朝这一方向流动而产生的压力损失。
The check valve avoids refluence of air in pipe - lines and consequent pressure loss in which compressed air is intended to flow in one direction only.
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