查询词典 a piece of work

At least one through-bore in each of the drill guide arms guides a drill bit at right angles into the work piece, with each through bore (17, 18) having an axial length sufficient for guiding a hand held drill to drill a work piece bore at right angles to the joint surface.

在每个钻孔导向臂中至少有一个通孔，用于以直角将钻头导向到工件中，每个通孔（17，18）都在轴向上足够长，以在与连接表面大致成直角的方向导引手持钻头来钻出工件孔。

The main research content is: Using the experimental of cutting force and roughness of high speed face milling cutter and high speed end milling cutter mill aluminium alloy and cast iron, analyze the rules of the high speed milling velocity, feed rate per tooth, milling depth and milling width to high speed processing. Use multiple linear regression method, set up surface roughness and the cutting force fluctuation models. Certify the regression model notability, and provide a reliable guarantee for the accuracy of function optimization. Based on the targets of productivity, manufacturing cost, surface roughness, cutting force fluctuation optimization model, according to research of the high speed milling parameters selecting restrict of work piece, machine, tool and safety, set up high speed milling parameters multi-object optimization system.

本文以已有的高速铣削机理及高速刀具技术研究成果为基础，结合高速铣削试验，进行了基于遗传算法的高速铣削参数优化研究与系统开发，主要的研究内容为：通过高速面铣刀和高速立铣刀加工铝合金和铸铁等材料的切削力和表面粗糙度试验，进行了铣削速度、每齿进给量、铣削深度和铣削宽度对高速铣削加工过程影响的研究；采用多元线形回归的方法，建立了切削力及其振幅和表面粗糙度模型，并对模型的显著性进行验证，为高速铣削参数优化模型的建立奠定了基础。

Analyzed the structure characteristics of the perfume cover outer shell plastics piece, described the piece's structure and work principle which model a craft and inject a mold, its principle :adopt and certainly be apart from bolt and spring coil and carry on two cents type, use inclined lead a side outside the pillar and take out heart, type the heart crest spare parts, while entering and anticipating adoption incubate the type sprinkle into anticipate a form, while opening a mold, with the ball head pull and anticipate a pole sprinkle and note system and anticipate, then make use of and take out and push plank and release a plastics piece inside a heart,use spring coil and reset first while matching a mold, then carry on willing model a beginning next time.

摘要分析了香水盖外壳塑件的结构特点，叙述了该塑件成型工艺、注射模的结构和工作原理，其原理是：采用定距螺钉和弹簧进行二次分型，用斜导柱外侧抽芯，型芯顶出零件，进料时采用潜伏式浇口进料形式，当开模的时候，用球头拉料杆把浇注系统凝料顶出，然后利用型芯内抽推板推出塑件，合模时用弹簧先复位，然后进行下一次成型开始。

Stripping and slicing in group, execute presiding ask duty government of county Party committee of the high mountain that make a day, county divides entire county work into 16 chunk, 4 team leader divides the county accordingly to execute person specially assigned for a task to be in charge of making for 15 groups, right the working content of every group and responsibility made specific provision, the group leader of every group parts to be held the position of by member of team of vice secretary of county Party committee, members of standing committee and subprefect and National People's Congress, the Chinese People's Political Consultative Conference, strengthen the transverse communication chime between to move at the same time, every is involved piece with piece when the problem between, through the county main leader holds joint meeting of relevant group group leader to solve, those who prevent occurrence job rupture and fault.

切块分组，实行首席问责制天峨县委、县政府将全县工作分成16大块，县四家班子领导相应地分为15个组实行专人负责制，并对每个组的工作内容和责任作了明确规定，每个组的组长分别由县委副书记、常委和副县长以及人大、政协班子成员担任，同时加强横向之间的沟通和协调，凡涉及到块与块之间的问题时，通过县主要领导召开相关小组组长联席会议解决，防止出现工作的断裂和断层。

"Work" may be used of Jesus' nonmiraculous deeds as well as those that are miraculous, which suggests that his life is all of a piece.

&工作&，可利用的耶稣' nonmiraculous事迹，以及那些有神奇的，这暗示了他的生命，是所有的一块。

Because mechanical finger's outflow boundary change has the limitation, this kind of jig may clamp the work piece which takes also correspondingly to have the similar surface, simultaneously as a result of mechanical finger's quantity which installs is limited, but the jig itself does not replace, finger's outflow boundary change was not also big, causes the capture strength not to have the very big compatibility.

由于机械手指的外缘变化具有局限性，这种夹具可以夹取的工件也相应的必须具有类似的表面，同时由于安装的机械手指的数量有限，而夹具本身并不替换，手指的外缘也变化不大，导致了抓取力也不具有很大的适应性。

The multipolar scoop channel embedded mechanical finger manipulator through inserts a series of different outflow boundaries the mechanical finger to obtain the flexibility function, the different shape's work piece may use corresponding the finger to clamp separately takes uses the replacement entire jig.

求助：机械专业英语翻译，关于机器人的（1）多极凹槽性嵌入式机械手指机械手通过嵌入一系列不同外缘的机械手指来取得柔性化的功能，不同形状的工件可以分别使用对应的手指来夹取而不用更换整个夹具。

In order to reduce geometric errors between motion trajectory and work piece curve,this paper present a means of controlling trajectory motion law to replace traditional position control.

为了减小刀具运动轨迹与工件几何曲线的误差，提出将传统的位置控制改为物理运动规律控制，即建立数控机床的运动模型，分析被加工轮廓的曲线方程、加工工艺运动要求与刀具加工运动的合成或分解关系，推导出轨迹运动方程组。

With considering the heat flux distribution along the direction of the work piece thickness, a modified model of 3-D conical heat source mode is put forward. Though it can be used to calculate the weld width on both the top and the bottom surfaces of the work piece exactly, but for the location and locus of the melt line in the weld cross section, the calculating precision is lower.

考虑到等离子弧热源沿厚度方向分布，本文首先提出了改进的三维锥体热源模式，可以使等离子弧焊缝正面和背面尺寸与实测结果吻合，但焊缝横断面熔合线的走向与实际有较大差别。

The objective of this study was to analyze the square cup stretching process by using the dynamic explicit finite element analytical program, which was based on the Updated Lagrangian Formulation and elasto-plastic theory. Simulation results included the deformation and crack propagation history, the variation of the work piece thickness, the Forming Limit Diagram, and the relationship between punch load and punch stroke. A set of tools was designed for the square-cup stretching experiment to verify the reliability of the program.

中文摘要本文采用显性动态有限元素法，结合材料弹塑性理论，发展出一套三维增量型之有限元素分析程式，进行金属板材方杯拉伸成形制程及破裂之分析，并探讨方杯拉伸成形历程及裂纹成长历程、工件厚度变化、成形极限图(Forming Limit Diagram， FLD)，及冲头负荷与冲程关系，并设计一组方形冲模来进行方杯拉伸成形实验，以验证程式的可信度。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。