四边形的

When generating the first layer of elements, the nodes on the interior surface are generated by projecting the nodes on the exterior surface along the normal direction of the exterior surface onto the interior or surface.

将未划分区域的边界继续向内偏置，划分新的单元，和第一层划分时直接将外边界上节点向内投射不同，以后的内边界曲面上的节点和表面四边形单元是直接划分的。

The major focus of the teaching activity is, through the model of conducting games, to make the students in junior high school able to analyze the characteristics and quality of geometric shapes with the use of mathematical argument, reasoning and skills of communication, in order to develop the learning of the inclusion relation of quadrilaterals.

此教学活动最主要的内容，乃是藉由游戏竞赛的方式，让国中生在对几何形状的特徵与性质分析上，能充分运用数学辨证、推理和沟通的技巧，进而发展「四边形包含关系」的学习。

Secondly, we research the partition strategy to the existing scene in detail which is based on the regular quadrangle.

其次，对现有的场景分块策略作了详细的研究，现有的场景分块策略是建立在规整的正四边形基础之上的。

The practical calculation equations for regular polygon folded-plated shell subjected to uniform loads are presented.

在已有的四边形幕结构设计计算理论的基础上，以承受正则荷载的正六边形幕结构屋盖为例，分析了正多边形幕结构的受力机理，提出了在均布荷载作用下的正多边形幕结构内力的实用计算方法，与有限元分析结果对比，吻合较好。

A rubber strip (10) may be scalene triangular shape, a trapezoidal shape or a parallelogram shape having has a bottom line (11) forming a strip width, a first diagonal line (12) extending from one end of the bottom line (11) and a second diagonal line (13) extending from the other end (P2) of the bottom line (11), a length (L0) of the bottom line is set to 5 to 50 mm, and a thickness thereof is set to 0.2 to 5.0 mm.

橡胶条(10)的形状可以是不等边三角形、梯形或者平行四边形，上述形状具有形成条宽的底边(11)，延伸自底边(11)一端的第一斜边(12)和延伸自底边(11)另一端(P2)的第二斜边(13)，底边的长度(L0)设定为5-50mm，其厚度设定为0.2-5.0mm。

A kind of finite element analyzing software "ANSYS" is used to calculate the temperature field of cable system; Finally, Subtense truncation approach is used to calculate the ampacity of cable system with equal load.

根据地下直埋电缆的温度场特性，将开域场转化为四个边分别符合第一、二和三类边界条件的四边形有界热场问题，然后利用有限元法计算场域内的温度场分布，最后用迭代的方法确定电力电缆的载流量。

The characteration of 15 will may provide a new pathfor searching new triboluminescent complexes. The triboluminescence maximum of 15is similar to that of its photoluminescence. The disorder of the thienyl rings and 〓groups in 15 may be responsible for its triboluminescent activity.

Eu的距离为4.2137(9)〓。两个桥联O原子与两个Eu构成一平面四边形，∠Eu(1)-O(7)-Eu(1A)和∠O(7)-Eu(1)-O(7A)分别为117.84(14)°和62.18(14)°。15的摩擦发光光谱与其光致发光光谱很类似，表明它们有相同的激发态。15的摩擦发光活性可能与其结构中噻吩环及〓的无序有关。

The copper ions showed four different coordination numbers and geometrical structures. 4 coordination, planar quadrangle; 5 coordination, tetragonal pyramid; 6 coordination, octahedron; 7 coordination, triagonal bipyramid.

晶体结构分析表明，该配合物中存在 [Cu2]2+、[Cu2(H2O)]2+和[Cu6(H2O)65Cu24]4-三种配位离子，铜原子呈现四种不同的配位数和几何构型，它们是：4配位的平面四边形；5配位的四方锥型；6配位的八面体型；7配位的三角双锥型。

It avoids the parallelogrammical output machine with a complicated planetary wheel system and the flexible wheel of resonance wave transmission, shortens the movement chain observably and reduces the loss of movement transfer.

偏心轮推杆行星传动属于活齿少齿差传动，它的推杆结构成功地解决了输入轴与输出轴同轴的问题，避免了复杂行星轮系的平行四边形输出机构和谐波传动的柔轮，显著缩短了运动链、减少了运动传递的损失。

Notice that (1) the subdivision is geometry based, i.e. high curvature areas receive more quadrilaterals, and (2) low curvature areas contain more quadrilaterals than necessary due to the crack-preventing nature of the process.

注意（1）这个细分是基与几何的，就是，大曲率的区域有更多的四边形，因为这个过程有防止出错的特性。

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。