查询词典 beam

Based on the compressibility, viscosity resistance and the working house system's deformation etc, flow equations of distribution spool, hydraulic tube and fluid cylinder for 300 MN die forging hydraulic press were established, and dynamics equations of moving beam and upper beam were established based on analysis. The dynamics mechanical-hydraulic coupling model of driving system was established.

考虑流体的可压缩性、粘性阻力及工作框架系统变形等因素，采用解析法建立300 MN模锻水压机动梁驱动系统分配阀口、液压管道、液压缸的流量方程以及动梁和上横梁的动力学方程，得到驱动系统的动态机液耦合模型。

Based on the compressibility, viscosity resistance and the working house system's deformation etc, flow equations of distribution spool, hydraulic tube and fluid cylinder for 300 MN die forging hydraulic press were established, and dynamics equations of moving beam and upper beam were established based on analysis. The dynamics mechanical-hydraulic coupling model of driving system was established.

摘 要：考虑流体的可压缩性、粘性阻力及工作框架系统变形等因素，采用解析法建立300 MN模锻水压机动梁驱动系统分配阀口、液压管道、液压缸的流量方程以及动梁和上横梁的动力学方程，得到驱动系统的动态机液耦合模型。

First, second and third position sensor controllers control the focus servo to focus the He--Ne laser beam on the glass substrate in response to the pit width of the glass substrate by sensing the laser beam for focusing reflectedupon the glass substrate.

此聚焦系统利用第一、第二、第三光点位置敏感器去控制氦一氖雷射，使其能够在玻璃基板上产生正确的凹坑宽度，而第一、第二、第三光点位置敏感器即藉著聚焦在玻璃基板上反射而回的氦一氖雷射作为聚焦控制。

Solid laser power supply acts as the electrical pump source that produces energy to inert gas discharge lamp to obtain the output of laser beam, so, it is one of the most important parts of the laser machining equipments and decides the overall performance of laser beam.

固体激光器电源作为提供能量给惰性气体放电灯以便获得大功率激光输出的电泵浦源，是激光加工设备中最重要的部件之一，是决定激光器整体性能的重要因素。

While the construction of the high precision measuring device cannot be rigid enough to keep within the demanded limits in the orthogonal direc- tions to the line gauge beam under various loading condi- tions of the device to be measured, length indicators mounted on separate supports to control lateral displace- ments contacting the horizontal and vertical beam faces are added.

而建设 高精度测量装置不能刚性不够为了保持内部要求限制在正交目录筹措到线衡量光束下不同加载条件-筹措的器件测量，长度指标安装于单独的支持，以控制侧向位移-自1912年接触横向和纵向束面补充。

Is the lifting of heavy machinery member of the Association, specializes in double-beam cranes, gantry crane, single-beam cranes, electric hoist, grab, the bridge machine, loading bridge, a track machine, hoist and explosion-proof , Frequency, insulation, electrical, metallurgical casting series of design and manufacture and installation.

正大起重有限公司是中国重型机械协会会员单位，专业从事双梁起重机、门式起重机、单梁起重机、电动葫芦、抓斗、架桥机、装卸桥、过轨机、启闭机及防爆、变频、绝缘、电磁、冶金铸造等系列的设计制造及安装。

Based on Euler-Bernoulli beam in elastic half space and its dynamic solution under moving loads, the solution of reaction force between ground surface and beam is presented.

用弹性半空间Euler-Bernoulli梁及其在移动荷载作用下的动力解，得到地基表面与梁之间的接触反力解答。

The construction technology of prestessing anchored cables and ground beam s,the effectiveness and the superiority of controlling the high slope disasters with the prestressed anchored cables and ground beam s.

分析了内蒙古老集高速公路第四合同段高边坡病害成因及相应治理方案，阐述了预应力锚索及地梁施工工艺，指出在处理高边坡病害中预应力锚索地梁特有的有效性和优越性。

Then the time-dependent resistance models of the timber beam and timber column are calculated in which the empirical formula in China is used for above- ground,exposed timber beam and column and the decay depth model for under-ground timber in Australia is adepted the timber embedding wall.

然后据此推导了彩钢活动房各类构件的腐朽抗力衰减模型，采用国内经验公式推导了抗弯腐朽木梁和地面上木柱的随机时变抗力模型；采用澳大利亚的地下木材的腐朽深度—时间模型，推导了初始抗力为正态分布的随机变量的墙内木柱的随机时变抗压承载力模型，并采用该模型对某历史结构的木梁进行了剩余寿命预测。

The beam of VHF radar is rather wide,and the reflection from ground results in beam split,thus the radar can only be used to estimate its height while it cannot be used to measure the height accurately.

米波雷达的波束较宽、由于地面反射引起波瓣分裂，通常只能估高而不能用来测高。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。