形状

In some folk festivals, people modeled the dough into different shapes such as swallow and fish and then steamed them. The shapes of teamed food symbolized happiness, wealth and harvest.

在民俗节日中时，把面捏成燕子、鱼等形状，然后蒸出来，做成这样的形状既是象征喜庆吉祥、年年有鱼之意。

However, it is an important but difficult problem to device a method which can be used to measure 3D surface of an object accurately and rapidly and recover the 3D shape.

但是，如何快速而准确地获取被测物体表面的三维几何形状信息，并根据这些信息对被测物体形状进行三维恢复，是困扰着众多从事这方面研究工作人员的一项重要技术难题。

It has the same characteristics as the finite strain ellipsoid and can substitute for the structural object for strain analysis.

惯量投影椭球具有有限应变椭球相同的性质，可以用来描述任意形状构造标志体的变形，并可以替代具有任意形状构造标志体进行变形分析。

Finite Element Shape Optimization of a Steering Knuckle For a Heavy Truck-A Case Study ABSTRACT A case study of the application of shape optimization techniques to reduce the weight of a steering knuckle of a heavy truck suspension has been presented.

转向关节的有限元素形状优化为一个重的卡车专题研究摘要提出了形状减少重型卡车悬浮的转向关节的重量的优化技术的应用的专题研究。

Based on the characteristics of parameterized design and key technologies of knowledge based engineering, and specially according to the characteristics of the construction, figure, assembly-parameter of bicycle frame design, the article has achieved repeated using of experiential parameter and knowledge by adopting methods such as automatic reading experiential datasheet, computing parameter by making use of program, manual data-input or modifying and so on. Based on analyzing the characteristics of Rear End design and the associated characteristics with Chain Stay and Seat Stay, different design methods are analyzed in detail, and rapidly assembling of Rear End, Chain Stay and Seat Stay is achieved by using the method of combining top-down-assembly with down-top-assembly method. Based on analyzing special technologies and UDF characteristics, the repeated using of different sectional shapes by using UDF technology on the tube section design is also achieved, and this will greatly shorten the time spent on fixing the dimensions and orientations on sketches.

在探讨了参数化设计技术特点和知识工程关键技术的基础上，针对自行车车架设计中的结构、形状、装配参数特点，分别采用了读入经验数据表、参数程序求解、手工录入或修改方法实现车架设计经验参数和知识的重复利用；在分析自行车后叉片设计特点及与平、立叉的关联特性的基础上，对不同的设计方案进行了详细分析，并采用自顶向下和自底向上相结合的方法，实现了后叉片的快速装配定位与平、立叉设计相关联；在分析了特征技术和UDF特点的基础上，将UDF用于管件截面的设计上，使各种截面形状能不断重复利用，大大节省了约束草图尺寸和位置的时间。

On the basis of the research on the loading spectrum and spindle speed spectrum of CNC lathes, the combined distribution principle of the torque of spindle and spindle speed of the CNC lathe is studied.

数据处理结果表明X轴进给传动系统载荷服从形状参数为1.699、尺度参数为7.596的伽玛分布；Z轴进给传动系统载荷服从形状参数为1.077、尺度参数为5.905的伽玛分布。

This paper presented the relationships between roof shapes and form coefficient under wind loads, drainage and corresponding loads caused by rain. The paper also discussed the relationship between roof shape and roof structural height and span and the relationship between roof shape and connection styles. These relationships will influence both safety and price of roof structure.

阐述了屋面形状与风载体型系数、屋面排水及相应雨水荷载的关系问题，讨论了屋面结构形式与屋面跨度和厚度的关系问题、屋面形状与钢结构节点形式的关系问题，这些问题对大型场馆钢结构屋面的安全性、经济性均有显著影响。

The space-filling curve and the method of fixed row layout are used to reduce the searching spaces. The methods of two-stage layout and fixed row layout are used to solve the problems of irregular shape of departments. It is assumed that department area to be variable within some extent for implementing the exchange of department locations with different area among different floor.

提出用&定行法&和&空格填充线法&缩减搜索空间，用两阶段法（优化位置-调整面积形状）和&定行布置法&解决部门面积形状不规则的问题；对于多层厂房优化布置，提出按固定楼层布置顺序、改变部门布置顺序的方法缩减搜索空间；假设部门面积可在一定范围偏差，实现楼层间不同面积部门对调。

The space-filling curve and the method of fixed row layout are used to reduce the searching spaces. The methods of two-stage layout and fixed row layout are used to solve the problems of irregular shape of departments.

提出用&定行法&和&空格填充线法&缩减搜索空间，用两阶段法(优化位置-调整面积形状)和&定行布置法&解决部门面积形状不规则的问题：对于多层厂房优化布置，提出按固定楼层布置顺序、改变部门布置顺序的方法缩减搜索空间；假设部门面积可在一定范围偏差，实现楼层间不同面积部门对调。

The shapes of the foil tube is a little fat so what I did to get the right shape was to stick some proper size rod into the leading edge and then squish it in a vise.

形状的铝箔管是一个小发，所以我所做的，以得到正确的形状是要坚持一些适当的大小杆进入领先，然后挤压，它在一个

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。