装配

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该方法首先对不同零件CAD模型中面几何方程进行比较得到零件之间的面-面接触关系和类型，并应用旋量理论将面-面相对瞬时运动表示为螺旋；然后，对多个面接触上的螺旋进行交运算，生成零件之间的相对瞬时运动螺旋；最后，根据零件邻接关系图和邻接零件相对运动螺旋，对装配模型中零件整体瞬时可动性和驱动关系进行了分析，给出不相邻零件之间的相对瞬时运动螺旋计算方法和它们之间可驱动性的判定方法。

At the beginning of the line are the frames of cars. The line is moving. As each car frame moves along, new parts are added to it by the workers. When the car reaches the end of the line, it has been put together, or assembled.

生产线的开头是汽车的骨架，当生产线运行时，汽车的骨架也跟着移动，每移到一个，都有工人往上加上一个部件，当汽车移到生产线的末端时，汽车就完全被装配完毕了。

Lead Rigger Mark Piretti explains: the modelers and designers put together a number of different robot types, like the biwheel bot, the uniwheel bot, and the multiped bot.

传索装配员小组组长Mark Piretti解释说：塑模员和设计员把一些不同类型的机器人放在了一起，如双轮机器人，单轮机器人，多足机器人。

An optimal sensor design method was presented for the multistation sheet metal assembly processes.

摘要提出了一种多工位薄板装配过程测点优化设计方法。

By satisfying all the necessary and sufficient conditions the desired assembly feature can be obtained.

该方法克服了传统算法的缺点，提高了装配特征识别的有效性和可靠性。

If the user wants a new theme, all he/she needs to do is to add a new assembly to that folder.

如果用户想要一个新的主题，所有他/她需要做的是增加一个新的装配到该文件夹。

McLaren's Mercedes-engined MP4-25, which will be driven by reigning world champion Jenson Button and 2008 titleholder Lewis Hamilton, will be revealed on Friday (January 29) at the UK headquarters of team sponsor Vodafone in Newbury.

将会有新科世界冠军巴顿和2008年冠军汉密尔顿驾驶的装配着梅塞德斯引擎的麦克拉伦新车MP4-25，将会在周五（1月29日）在车队赞助商沃达丰在英国纽伯里总部举行发布会。

D3 \! w _+ E McLaren's Mercedes-engined MP4-25, which will be driven by reigning world champion Jenson Button and 2008 titleholder Lewis Hamilton, will be revealed on Friday (January 29) at the UK headquarters of team sponsor Vodafone in Newbury.

s5 ^， s v' L P 将会有新科世界冠军巴顿和2008年冠军汉密尔顿驾驶的装配着梅塞德斯引擎的麦克拉伦新车MP4-25，将会在周五（1月29日）在车队赞助商沃达丰在英国纽伯里总部举行发布会。

The studies on nucleolus focus on the sites of transcription and distribution of rDNA, assembly of ribosomes, and proteomics of nucleolus.

核仁内rDNA的分布、转录定位、rRNA前体的加工及核糖体的装配和核仁的蛋白质组学等都是细胞研究中的重要问题和方面。

The parallel kinematic machine is a novel class of manufacturing equipment which rises in recent years. It can achieve multi axis linkage numerical control machining, assembling and measuring, and so on.

并联机床(PKM，Parallel Kinematic Machine)是世界上近年来逐渐兴起的一种新型制造装备，可实现多坐标联动数控加工、装配和测量等功能，更能满足复。。。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。