三角

A new triangulation algorithm based on Delaunay triangulation and the advantage of simplicity and rapidness of advancing front method is constructed.

将推进波前法的实现简单和快速的特性引入到Delaunay三角剖分法之中，构建一种基于Delaunay三角剖分的算法。

By introducing the methods for transforming exact numbers and triangular fuzzy numbers trapezoidal fuzzy numbers, the ranking method is also practicable for ranking reciprocal judgment matrix with exact numbers and triangular fuzzy numbers.

同时给出精确值、三角模糊数的互补判断矩阵转化为梯形模糊数互补判断矩阵的方法，因此本文方法同样适合于处理精确值、三角模糊数的互补判断矩阵的排序问题。

The main contents are as follows:(1) Derive recursive Householder transformation formula for transforming the original rectangular matrix column by column into upper triangular matrix, solve the problem of fast upper triangularization of columnvariable matrix.

主要开展的工作有：（1）、导出长方矩阵逐列上三角化的递推Householder变换公式，解决了可变列矩阵的快速上三角化问题。

To complement the limitation of the acoustic location,the mechanism of passive vibration location on the ground by regular triangle array is given.

为了补充声探测系统在特殊情况下的不足，根据正三角震动阵列定位原理，推导了正三角震动阵列对地面震动目标的定位公式。

Part two: This paper attempt to design a retractable roof structure from architectu re,structure and mechanism in the kind of traveling trusses and flexible roofage thro ugh a real structure of the retractable roof in the walk street plaza of Henglong build ing. Summary of some important points in design were presented.The comparision of several kinds of structure was taked.

第二部分：本文以恒隆步行街广场屋盖工程为例，通过对比分析剪刀撑方式、倒三角桁架式和张弦梁形式的结构方案，最终选择了倒三角桁架式的可展桁架加柔性屋面材料的方案。

The result shows that there is no existence of a stable long-run equilibrium relationship between both sides in the sample space,while the expenditure on scientific research, compared with infrastructure investment and human capital investment, contributes more to the economic growth.

结果显示在选取的样本空间内，长三角地区的财政支出结构与经济增长之间并不存在长期稳定的均衡关系，而相比基础建设支出和人力资本支出，科技研究支出对于长三角的经济增长更具有促进作用。

Q5. List the actors of the service SDT and the main challenge in setting up this SDT.

问题5：说出服务传递三角关系的三方，以及建立这种服务传递三角关系面临的主要挑战。

AHP and triangle fuzzy comprehensive evaluation are combined to handle the partner selection of airline alliances evaluating problem.

针对航空联盟合作伙伴选择问题，将AHP和三角模糊综合评判两种系统评价方法组合起来，建立了三角模糊数与AHP综合的评价模型，结论证明该方法兼具两种方法的优点，而且简便易行，为定性与定量结合评价问题的研究提供了一种新的方法。

Complete Principle of Measurement , as the basic literature of large calendar mathematics series Chongzhenlishu, was the beginning of the Western trigonometry, spherical astronomy and measurement into China, involving area, volume measurement, flat triangle, spherical trigonometry and spherical astronomy's theory as well as measuring instruments'applying. Complete Principle of Measurement embodies Chongzhenlishu's axiomatic mathematics and astronomy and makes a contribution to the further spread of the Western learning.

《测量全义》作为编撰大型历算丛书《崇祯历书》的基础文献，是西方三角学、球面天文学及测量术系统传入我国之始，涉及面积、体积测量，平面三角、球面三角和球面天文学的基本理论以及测量仪器的制造和使用等，是《崇祯历书》中公理化数学和天文学体系的体现，为西学的进一步传播做出了贡献。

Methods: The shape and formation of superior lumbar triangle were observed from the external surface of posterior abdominal wall. The grouping patterns and courses of subcostal nerve, iliohypogastric nerve and ilioinguinal nerve passing the front of superior lumbar triangle were also observed.

从腹后壁外面观察腰上三角的形态及构成，由其内面观察经过该三角前方的肋下神经、髂腹下神经和髂腹股沟神经的组合形式及走行，并分别测量其与第12肋下缘的距离。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐