查询词典 main beam

The main content consists of the following aspects: The essential techniques of rate control are introduced, such as the principle of rate detection by quartz crystal﹑the relationship between filament emission current and filament temperature﹑the temperature dependence of material evaporation characteristic﹑the electron beam focalizing characteristic and the theory of rate closed-loop control.

主要内容包括以下几个方面：围绕电子束蒸发速率控制综合了速率控制的相关技术，比如蒸发速率石英晶振探测的原理﹑灯丝发射电流与灯丝温度的关系﹑膜料蒸发特性与蒸发温度的关系﹑电子束焦斑聚焦特性及速率闭环控制的原理。

The polarizing beam coupling and splitting technology for LGS is the main part of this study.

重点研究了用于激光导星的偏振耦合分光技术。

The results showed that there were many coastal and epibenthile species, dominate fishes and crabs with significant monthly variation in composition, in the by-catch of shrimp beam trawls in waters surrounding Naozhou Island had. The average ratio of by-catch to shrimp was found to be 6.83:1 in weight and 2.5:1 in value, indicating that relatively high percentage of by-catch and less by-catch discards were the main problems in shrimp trawls.

结果表明：硇洲岛周围水域虾拖网副渔获种类多，主要为沿岸性底栖种类，组成结构存在明显的月变化，其中蟹类和鱼类是影响副渔获组成结构和月变化的优势类群；副渔获海上抛弃率很低，兼捕现象严重是现阶段虾拖网的主要问题，副渔获与目标虾类的平均重量比为6.8：1，平均产值比为2.5：1。

The results show that the ratio of slope has an impact on slope deformation; and that the angle and the range interval of anchors influence slope deformation. The pertinent proposal for design of main parameters of anchor frame beam is put forward so as to offer reference for engineering optimum design.

数值分析及结果表明，坡率与膨胀土路堑边坡变形密切，锚杆框架梁参数中锚杆布设角度和间距对膨胀土边坡变形影响较大，同时对锚杆框架梁的主要参数提出相关的建议，为工程和设计优化提供了参考。

First, the computation theory of the anti-sliding pile has been researched including interaction between the pile and tho landslide, the mechanical model of the pile and the calculation method of the internal force of the pile with prestressed anchor cable. Second, the internal force status, the mechanical computation model and the design method of the foundation beam with prestressed anchor cable have been analyzed. Finally, by the example, engineering instance and the geology mechanical model test, the main results and conclusions deduced from the thesis have been compared and validated.

论文首先对抗滑桩的相关设计计算理论进行了研究，包括抗滑桩与边坡岩土体的相互作用，抗滑桩的力学计算模型以及预应力锚索抗滑桩的内力计算方法；其次对预应力锚索地梁的受力状态、计算模型以及设计方法进行了分析研究：最后结合工程实例和地质力学模型试验对相关结论进行了分析比较、验证。

There are 2 large anchor bases at north and south of the main stadium of Nanjing Olympic Sports Center and a 396 meters prestressed ground beam connects these two anchor bases.

南京奥体中心主体育场南北分别设计2个大型拱脚，在南北拱脚之间由396m长预应力地梁连接。

The thesis designs that PLC controls four servo electric motors using Aimosheng EC20H , the rocker arm realizing beam drill goes up and down , the rocker arm rotates , the main spindle box slides , the chief axis moves forward to give axial four action , PLCs the motion controlling one frequency conversion electric motor at the same time realizing the machine tool host moving the revolution being a chief axis.

本论文设计使用艾默生EC20H PLC控制四台伺服电机，实现摇臂钻床的摇臂升降、摇臂旋转、主轴箱滑动、主轴进给四个轴向的动作，PLC同时控制一台变频电机实现机床的主运动即主轴的旋转运动。

Beam bridge is the main load-bearing structures, with the development of society, on the highway bridge has been increasingly widely used.

这个怎么翻译？梁是桥的主要承重构件，随着社会的发展，桥梁在高速公路中得到越来越广泛的应用。

Because of the time constraint, the teacher asked us to check only a plate and a beam, the main method is to grasp.

由于时间关系，老师要求我们只验算一块板和一个梁，主要是掌握方法。

Plate and beam is the element of over head traveling crane. Crack damage of plates and beams is the main fault forms of structure.

板和梁是冶金桥式起重机金属结构的基本组成单元，而这些金属结构的损伤多以板、梁的疲劳裂纹表现其故障形式。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐