A printing and packing mechanism factory wanted to refit the paper delivery system of the mould-cutting machine from the cable manual delivery to the push pedal to-and-fro delivery.

Based on the mathematical model of a linear motor, an adaptive fuzzy PID algorithm is used for the control of its to-and-fro motion and the related parameters affecting the motor dynamic performances are analyzed.

在建立直线电机基本数学模型的基础上，采用自适应模糊PID算法对直线电机往复运动进行控制，对影响其动态性能的参数进行了分析；

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This ranges from simple complaints to the kind of light-hearted to-and-fro humour that brands such as Taco Bell do so well on Twitter.

互动有很多种，从简单的抱怨，到轻松有趣、有来有往的幽默。就后者而言，Taco Bell等品牌在推特（Twitter）上就做得很棒。

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Mixture copaiba The rubber mixing system adopt the strip shaker with international static state to-and-fro technology, and the imported ix mandrill.

混胶系统采用国际流行的静态往复带式混合器、进口混合芯棒。

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The machine through mechanical transmission, the machine makes material in two asymmetry V shape cylinders to turn over to-and-fro. The purpose of uniform can be got.

该机通过机械传动，使两个不对称的v型圆柱体内的物料做往复翻动，达到均匀混合之目的。

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Through the analysis of the regulation process, put forwards that the regulation also is a process which circulate to-and-fro, screw ascend and continue consummate.

通过对管制过程的分析，提出管制也是一个循环往复、螺旋上升、不断完善的过程。

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But in all the to-and-fro over raising the debt ceiling, little sensible has been said about lowering spending in the long term.

然而在总体上，债务限额一次又一次的争论增加了债务限额，而没有意识到减少支出这一长期要求。

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How understanding is possible? The outspreading process of understanding is the to-and-fro qf the hermeneutic circle.

理解何以可能？理解的展开就是解释学循环的往复。

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A to-and-fro wear test apparatus was devised to investigate the tribological properties of fresh swine thighbones under various lubrication conditions.

自行设计了一种往复运动的摩擦磨损试验机，在该试验机上对新鲜猪股骨在不同润滑方式下的摩擦学特性进行了研究。

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Experiment study of 2-direction guide-vane turbine in to-and-fro air-flow

往复流中双向导叶冲动透平模型性能试验研究

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Slurry-injection cylinder has a same slurry output in to-and-fro process and has the character of smooth impact vibration and long life.

注浆缸上、下行程出浆量相等，冲击振动小，寿命长；

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Then the deburring mechanism of AFM was analyzed. The effects of deburring of single direction process and to-and-fro process were discussed.

分析了去毛刺机理，讨论了单向加工和双向往复加工的去毛刺效果。

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There is far less to-and-fro movement between the different groups than happened under capitalism or even in the pre-industrial age.

在不同集团之间，流动性远远不如资本主义制度或者前工业时代那么大。

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Lawrence saw the meaning of life in its rhythm& the endlessly changing to-and-fro relationship between man and woman.

劳伦斯认为，生命的意义在于其节奏，在于男女间关系不断的反复变化。

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The alternating emergence of the two forms made the Daling River estuary present a to-and-fro movement since Ming Dynasty.

两种变迁模式的交替作用使明代以来大凌河口呈现往复摆动的变迁特征。

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In allusion to satisfy the complexity and to-and-fro of aerocraft shape design, the paper issues a shape design.

针对飞行器外形设计的复杂性、往复性特点，提出了基于知识的飞行器外形设计系统体系结构。

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These methods cover to-and-fro feed movement andintermittent movement.

这些加工方法涉及到往复进给运动、间歇分度运动等。

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The teacher walked to-and-fro in front of the class as he spoke.

老师一边说话一边在教室前面来来回回的走动。

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SEM analysis for alloy cast iron sample of cylinder casing after to-and-fro wear testing

合金铸铁缸套试样在往复式磨损试验后的SEM分析

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To-and-fro Removal Pneumatic Control for Paper Machine Dryer's Scraper

造纸机烘缸刮刀的移动往复式气动控制

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The Research of To-and-fro Guiding-yarn System of Twisting-machine

捻线机成形往复导纱系统的研究

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