查询词典 three-centered arch

Gradually turned into two feet to walk upright, hand, foot and division of labor, will use stones, sticks and other natural tools; body structure compared with Dryopithecus progress, dental arch into the arch, the teeth arranged more closely, canines are not prominent, molar greater occlusal surface, the dolphin's back back, stands about 1 meter, the brain is about 300 milliliters; mainly eat plants, and carnivorous.

逐渐变为两足直立行走，手足分工，会使用石块、木棒等天然工具；身体结构较森林古猿进步，齿弓成弧形，牙齿排列较紧密，犬齿不突出，臼齿有较大咬合面，吻部向后退缩，身高约1米多，脑量约300毫升；主要以植物为食，兼食肉类。

Then, the endogen force generated by vehicle load is calculated, and the comparison of endogen force between compound arch bridge and ordinary arch bridge is also carried out.

其次，对复拱桥在汽车荷载作用下的内力进行了计算，并与相同跨径的普通拱桥内力进行了对比。

First, the endogen force of the compound arch bridge generated by dead load is calculated, and the influence of job practice is full considered when calculating the combination operation of the construction upon the main arch.

首先，对复拱桥在恒载作用下的内力进行了计算，在考虑拱上建筑联合作用时充分考虑了施工方法对拱上建筑联合作用的影响。

In the third part, the theory of thrust angle and unbalanced forces is studied andapplied to Xiluodu arch dam. some conclusions are obtained :(1) The thrust angle issmaller by elaso-plastic computation than elastic computation. For the non-linearcomputation, the thrust angles at different elevations all increase during overloading,which reveals the internal mechanism of good performance of arch dam in conditionof overloading;(2) The elaso-plastic theory always minimizes the actual unbalancedforces in the sense of a condition number in the norm ofcomplementary energy.

第三部分，通过对溪洛渡拱坝拱端推力角及不平衡力的研究，得出如下结论：(1)非线性计算较弹性计算的推力角大；对于非线性计算而言，拱坝超载过程中各高程段的推力角均有所增加，这反映了拱坝具有较高超载能力的内在机制；(2)在总余能范数的意义上，按弹塑性本构关系确定的不平衡力或加固力是最小的，弹塑性计算确定的加固力和真解相比偏于安全。

The structure and function of the flatfoot are different from those of the normal foot. To identify their differences, the rearfoot motion, the arch index, and the lateral arch angle are important reference points.

由於足部结构的不同，造成扁平足族群的足部功能与正常足有所差异，其中后足运动、足弓指标与足弓角度相关性都是观察此差异的重要指标。

To get calculation process of analytical solution for predicting the shape of ground arch in bearing soil by studying the theoretical solution for Calculating the shape of ground arch in free soil and Considering the effect of load.

并在此基础上给出了土体中不利于作用荷载的区域，在此区域内作用荷载将会引起隧道周边及荷载作用位置处的塑性区范围显著增加。

Can be placed in the arch in front of the grille or in the roof arch.

可以位于格栅前的拱中，或者位于顶拱中。

I arrive at this Guangzhou, I personally once experienced personally, why here of foreign duty worker's member be which Yao of many, they is of is what, why since then go to here, for the sake of a common of target, which be money, because there is no way, they have no way, they also don't think to oneself is which appearance, every day give person part-time job, but they are also canning not figure out what good way, because they want to oneself of the sons and daughters be responsible for, send they go to school, bring up they grow up an adult, arch they eat arch them to wear, be used as parents what this is a son is really for world of the parents feel an in the mind displeased, uncomfortable, I sawed much more in my own body of affair, although I see not and deeply the winds and clouds of world change Huan, but I really saw understand some thing, be little I know how to make allowance for parents of mood, but I don't miss them everyday for the sake of we but is not in the home every day, every day at outside, at outside give person part-time job, myself be an indocile kid, perhaps I is really be unlike their kid, I every day in the mind words I don't know to be like who say, this kind of in the mind force be the in mind difficult way pleasurable?

我来到这广州我就亲身体验过，为什么这里的外来务工人员就是哪么的多，他们为的是什么，为什么而来到这里，为了一个共同的目标，哪就是钱，因为没有办法，他们没有办法啊，他们也不想对自己是哪样子的，天天给人打工，可是他们在也想不出什么好法子，因为他们要对自己的子女负责，要送他们上学，要抚养他们长大成人，要拱他们吃拱他们穿，做为父母我这做儿子的真是为天下的父母感到心里不愉快啊，不舒服啊，我在我自己的身上看到了许许多多的事情，我虽然看不透世界的风云变幻，可是我真的看懂了一些东西，只少我懂得如何去体谅父母的心情，可是我不想他们每天都为了我们却天天不在家里，天天在外面，在外面给人打工，我自己就是一个不听话的孩子，也许我真是不像他们的孩子，我天天心里话我都不知道像谁说，这种心里逼在心里难道好受吗？

In the practical examples we optimized a simple double-curved arch dam with a single circle centerand equal thickness,and a complicated logarithmic spiral double-curved arch dam according to this designnotion,calculation results of the practical examples show that the design method is audio-visual and rational.

在实例中按照这种设计思路，对体形较简单的单圆心等厚度双曲拱坝和较复杂的对数螺旋线双曲拱坝分别进行了优化设计，计算结果表明该优化设计方法直观、合理。

Based on the conception of the equivalent stress,the expressions of the equivalent stress was educed. In this optimal design, the macro file for calculating the equivalent stress of arch dam is complied by using the parameter design language of the software, and the optimal design for shape of arch dam using equivalent stress as stress restraint condition is carried out.

本文基于等效应力概念，推导了拱坝有限元等效应力计算公式，将有限元法求得的坝体与基岩交接面上的应力合成截面内力，然后求出对应的线性化应力，并以此应力作为应力约束条件，实现了以等效应力作为应力约束条件进行拱坝体形优化。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。