查询词典 pointed arch

The arch was used by the early cultures of the Mediterranean area chiefly for underground drains, but it was the Romans who first developed and used the arch extensively in aboveground structures. Roman builders perfected the semicircular arch made of separate blocks of stone.

拱最初在地中海早期文化中用来建设地下水渠，但古罗马人最先开发和广泛的利用它作为地上建筑的结构，他们完善了由分段的石块组成的半圆形拱。

Prayer design is identified by the prayer arch. The arch is pointed toward the direction of Mecca while praying.

型号：1074 祈祷图案祈祷图案PRAYER DESIGN的一端有形似清真寺的拱形设计，拱形顶端在礼拜时朝向麦加方向。

Under the red symbolic revolution, on flag's five five pointed stars and the reciprocity symbolize the Communist Party of China to lead the revolutionary people great solidarity; The star is for appears with the yellow on the red bottom the light, the yellow compares the white brightly beautiful; Four small five pointed stars have a point to treat the big star central point respectively, indicated that revolves a center to unite, US: The flag surface top left-hand corner for the blue color star area, in the area altogether has 9 row of 50 white five pointed stars, by row of 6, row of 5 interlocks.

红色象征革命，旗上的五颗五角星及相互关系象征中国共产党领导下的革命人民大团结；星用黄色是为着在红底上显出光明，黄色较白色明亮美丽；四颗小五角星各有一尖正对着大星的中心点，表示围绕着一个中心而团结，美国：旗面左上角为蓝色星区，区内共有9排50颗白色五角星，以一排6颗、一排5颗交错。

Five-pointed star is very beautiful, Chinese national flag has 5 Five-pointed star. There are a number of countries the national flag also used five-pointed star.

五角星是非常美丽的，我国的国旗上就有五颗，还有不少国家的国旗也用五角星，这是为什么？

Dynamic model of satellite is built up with astronomic method, and a short-arch forecast arithmetic of satellite orbit in short arch with single site is given, which is of high precision when only angle data is available.

本文使用了天文方法建立了人造卫星运动的数学模型，给出了一种只使用单站短弧段测角数据对人造卫星轨道进行高精度预测的算法。

Based on the equilibrium equation of an arch element the cubic nonlinear dynamic model with second order is established and the nonlinear differential dynamic system without constant term is obtained through a transfer process of T=U+b. Hence three fixed points and the homoclinic orbits are found. The critical condition of the chaotic vibration of the elastic arch is given by using the method of Melnikov function. The numerical results of the stationary and chaotic motion are given and discussed.

首先利用拱的单元平衡方程建立了拱的二阶三次非线性动力学模型；然后通过变换使方程转化为不含常数项的非线性微分动力系统，并由此得到无扰动系统的3个不动点与同宿轨道；再用Melnikov函数法给出了发生混沌的临界条件；最后给出了该系统出现定常运动和混沌运动的数值结果。

The measurement covered the tooth material,premolar diametre,premolar basal arch widthand basal arch length. The ratios of PMD/TM, PMBAW/TM and BAL/TM were calculate.

测量牙量、双尖牙弓宽径、双尖牙根尖基骨宽径、基骨弓长度，并计算PMD/TM、PMBAW/TM、BAL/TM值，对其进行统计学处理与分析。

The stability of arch dam mainly depends on the support force of downstream rockmass behind abutment of dam. If discontinuity and weak intermitted layer is existed in rockmass, abutment of arch dam will slide probably under pulling force and shear force at the both side of dam.

拱坝的抗滑稳定主要是依靠坝端下游岩体的支承，拱坝两岸山体在拱端推力和剪力的作用下，如果岩体中存在着不利于稳定的节理、裂隙或软弱夹层，便可能引起坝肩滑动。

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。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。