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The HF sparks will cause the electrode - workpiece gap to break down or ionise.

高频火花将造成电极/工件间隙破坏或电离。

There is no remarkable heat accumulation in the workpiece, and the heat effected area is so small to guarantee the high integrity of ablated surface.

工件上没有显著的热量积累，加工过程的热影响小，能保证已加工表面的高度完整性。

It is concluded that the material removal of the process depends mainly on the ablated crater which is made of single pulse of laser and is not influenced by the parameters of the motion of workpiece.

因此，激光烧蚀成形三维表面时主要取决于单个激光脉冲烧蚀材料而形成的凹坑，每个脉冲的作用深度基本上不受切削运动参数的影响。

In surface grinding experiments of casehardened 16MnCr5 a close correlation between the related grinding power Pc and the maximum average temperature Tmax in the contact zone between workpiece and gr...

而磨削表层金相组织状态和发生烧伤主要决定于接触区的温度，因而可以应用相对容易测量计算的单位面积磨削功率P_c来识别这些状态。

To this end, during machining, must be the workpiece clamping good.

为此，在进行机械加工前，先要将工件装夹好。

The author has brought forward new classing manner which is different from the old one. The author also found evaluate target for every type of workshop. The author bring forward the conception of convey rules, and use it as one of the evaluate target. The conception is useful in solving the problem of multi-workpiece workshop layout.

本文提出了与传统分类方式不同的车间分类方式，为每种车间建立了相应的评价指标体系，首次提出了搬运矩概念，并将搬运矩作为一个评价指标列入指标体系中，这就很好的解决了生产多种工件的车间设备布局优化问题。

This paper describes the concaved gear tooth profile after shaving resulting from the unbalance of cutting forces due to the variation of numbers of contact points acting on the teeth flanks, during backlash-free meshing engagement between the shaving cutter and the gear workpiece.

本文认为剃齿齿轮产生齿形中凹现象的主要原因是由于剃齿刀和齿轮在无侧隙紧密啮合过程中，因两侧齿面接触点数量的变化引起切削力的不平衡而造成的。

Mostly uses in the laboratory for each heat treatments , for example metal parts quenching, cyaniding,annealing and tempering, especially is suitable for the fastener, the standard workpiece heat treatment.

主要用于实验室供各种金属零件淬火、氰化、退火和回火等热处理用，尤其适用于紧固件、标准件热处理。

By analyzing the forging process of double frustums sucker rod and using rigid visco-plastic material model and 3-D coupled FE simulation, the whole forging procedure are analyzed and simulated with finite element analysis software DEFORM. The results indicate the inner stress field, strain field, metal flowing law and forging travel-load curve during the forming procedure. The forming statuses, causation of defect of workpiece are predicted and so on.

通过对抽油杆镦锻工艺的分析，并采用刚粘塑性材料模型与有限元耦合的方法，运用有限元分析软件DEFORM-3D对双圆台抽油杆的成形过程进行了模拟，获得了成形过程中的内部应力、应变、金属流动规律及行程――载荷曲线，预测分析了工件成形状况、可能产生的主要缺陷的形式、部位和原因。

A method of determing the workpiece coordinate system and manual presetting cutter operation are introduced.

介绍数控车、铣床工件坐标系的确定以及与其相关的手工对刀操作。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。