查询词典 arch brace

Anticline is an arch-shaped fold in rock in which rock layers are upwardly convex.

背斜外形上一般是向上突出的弯曲。

At the same time, while 69 percent of those polled could name Paris's Arc de Triomphe, only 40 percent could identify London's Marble Arch.

另外，69％的调查对象能说出巴黎凯旋门的名字，而只有40％的人认得伦敦的大理石拱门。

This paper puts forward some practical formulae of measuring the area and arc length of arch form,and analyses the relative error of these formulae.

文章提出弓形面积和弧长计量的实用公式，并分析了该公式的相对误差。

It is the first laboratorial experiment results of self-volume deformation of MgO concrete applied to the arch dam foundation of Dongfeng hydropower station in Guizhou province, the laws of self-volume deformation of MgO concete is conducted, the long-term expansion deformation value is reckoned, the arc tangent curve model of the concrete is presented to describe the characteristics of expansion deformation of the MgO concrete.

本文以在国内外首次将MgO混凝土应用于主体工程的贵州东风水电站拱坝基础混凝土的室内自生体积变形成果为例，对MgO混凝土自生体积变形的规律进行了研究，提出了MgO混凝土自生体积变形的反正切曲线模型，用以表达MgO混凝土的膨胀变形特性和推算MgO混凝土的长期膨胀变形值。

In the time domain,numerical analysis is performed for a high arch dam and the results are given.

最后，在时域内对一实际高拱坝进行了数值分析，并给出了主要成果。

Therefore the change of temperature has great effect on the stresses of concrete arch dam.

因此，温度变化对混凝土拱坝的应力状态具有重要的影响。

Dam abutments stability analysis is very important in the design of arch dam.

高拱坝的坝肩岩体稳定性分析是拱坝设计中的首要问题之一。

With the development of computer , the finite element method has been applied to stress analysis of arch dam gradually.

随着电算技术的发展，有限单元法已逐渐应用在拱坝的应力分析上。

Safety of arch dam is what engineers are concerned about.

拱坝的安全度是工程人员关心的主要课题。

How to settle down these problems is one of the mostimportant works in the arch dam design and daily operation.

如何有效的解决这一问题是高拱坝泄洪消能设计工作的关键部分之一。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。