查询词典 arch brace

The fingers are moved by the arm in an arch, and when the tempo increases, the arch becomes flatter; at maximum speed the arch resembles a straight line.

手臂以拱形带动手指移动，当速度增加时，拱形就变得平坦些；当速度最快时，那拱形变得象一条直线。

Vegetarian and famous park are to the Vegetarian Hall, overlooking the rushing river north of Wangjiang Ting, as well as Yu the door arch, Glory shines through the arch, Green went straight step through the arch, hundred steps ladder, Wang Jiangting, great-grandmother mountain, trekking India stone, Puji Bridge, Guiyi pool attractions, is a set of artifacts to view, worship prayer, leisure and health in one place.

园内有以素食而远近闻名的斋堂，眺望滔滔北江水的望江亭，还有禹门牌坊、灵光普照牌坊、青去直步牌坊、百步梯、望江亭、太婆山、仙印石、普济桥、龟蛇池等景点，是一块集文物观赏、祭拜祈愿、休闲养生于一体的好地方。

The calculated results of the arch dam stress by the present method can be used for safety assessment of arch dams according to the national arch dam design code.

表明用本文分析方法得出的应力结果可以按现行的拱坝设计规范规定的应力标准评价拱坝坝体安全度。

This research is very important to improve the safety of high arch dams against strong earthquakes. It provides science references for design of high arch dams and technical guidance for taking steps to reduce hydrodynamic pressures and dynamic responses of high arch dams in earthquakes.

研究了拱坝在强地震中的动水压力和降低动水压力的气幕隔震技术，对提高拱坝的抗震安全性具有重要的科学意义和实际价值，对高拱坝的抗震设计和采取工程措施减小动水压力提供理论依据和技术指导。

Trough the analysis of stabilization safety on Tengzigou arch dam, some conclusions are obtained in the following:(1) Tengzigou arch dam is safe under normal poll level ;(2) stabilization safety factor of Tengzigou arch dam is about 4-5;(3) It is proved that combinatorial reinforcement measures are effective and feasible.

对藤子沟拱坝的数值计算和模型试验分析表明：(1)藤子沟水电站在正常蓄水位作用下，坝体和两岸坝肩是稳定的；(2)藤子沟拱坝的整体安全度大概为4～5左右；(3)东北院提出的对左岸泥岩层挖除处理并用混凝土置换的加固除险措施经研究表明该加固措施是有效、可行的。

A study was performed of the randomness of external loads on high arch dams,including flood,earthquake,landslide of mountains,etc.,the weakening of concrete strength of arch dams and rock strength of dam foundation,and the fuzziness of evaluation criterion.The disadvantages of conventional deterministic assessment methods for the safety of arch dams based on the strength theory and stability theory were analyzed respectively.It is suggested that fuzzy mathematics theory should be introduced to safety evalua...

研究高拱坝洪水、地震、山体滑坡等外载荷，坝身混凝土、坝基岩石材料强度弱化等的随机性，以及评价准则的模糊性；分析了高拱坝分别基于强度理论和稳定理论确定性评价方法的不足，提出应该利用模糊数学方法解决具有随机性、模糊性的高拱坝安全评价问题；建立了基于结构可靠度理论的高拱坝失效概率故障树模型并给出了具体算例。

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。

According to the model, the deflection and main pre-brace parameters are illustrated with the Jinsong station of the tenth line in Beijing. It demonstrates that the curve shape of theoretical result, computing result and the on-set measure result are uniform in the main and the change law is similar; that the circumferential space of pipe-roof has a optimum value while satisfying the pre-brace function; that the relation between diameter of steel pipe and flexibility of barrel vault meets negative exponential function. And the diameter of steel pipe has a optimum value.

依据该模型，以北京地铁10号线劲松车站管棚支护为例，着重对管棚的挠度和主要支护参数进行的分析表明：理论结果与计算结果和现场量测结果的曲线形状基本相同，变化规律相似；在满足预支护作用的同时，存在相对较优的管棚环向间距；钢管直径与管棚挠度之间符合负指数函数关系，管径存在最佳值。

Above all the gong silk that connects advanced vibrating absorber complete discharge, before was being taken brace up implement, the upper part of vibrating absorber has a gong silk strip inside a bedspring returns those who have about 140 milliliter to decrease brace up oily.

摩托车125前减振器漏油换油封。首先把连在前减振器的锣丝全卸了，就拿下了前振器，减振器的上方有个锣丝卸了里面有一个弹簧还有大约140毫升的减振油。

You won't have to brace for good news, but you would need to brace for bad.

另一方面，和你距离遥远的人可能会给你好消息。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。