查询词典 beams

Beams which are part of a truss shall use the distance between panel points as their unbraced lengths, or if the panel has connecting major members, the unbraced length shall be based on the distance between panel points or connecting members, whichever is the shorter distance.

作为构架上的一部分的横梁将节点之间的距离作为无支撑长度；或者，如果面板已经连接到主要部件上，无支撑长度应该以节点或连接部件之间的距离作为基础，选择最短距离即可。

This paper introduces a monolithically joined prefabricated continuous beam-slab structural scheme ( the precast beams and slabs are connected monolithically with each other by cast-in-place joints to form a monolithic structural system ) for one storey industrial building with underhung crane and column grids of 12×12, 12×15 and 12×18m.

本文介绍一种用于12米柱距带悬挂吊车的单层工业厂房的装配整体连续梁板结构方案，以及为此方案所进行的一些试验。

At present, there are many reports about the coupling of single laser and lens, and the technic also is quite mature. However, because of the precise requests of the manufacture technic and assembly, the technic of shaping for unidimensional linear and two-dimensional planar beams is not mature enough, almost at the researching or experimenting stage.

目前，关于单管激光器与透镜耦合的方式国内外报道很多，技术也比较成熟；但对激光束阵列的一维线阵和二维面阵整形，由于其制作工艺、耦合组装的精度要求很高，国内外还没有十分成熟的工艺，多处于研究实验阶段。

Arc-glow plasma depositing technique is a new surface coating method. With the help of vacuum arc discharge, a cold cathode arc source continually emits ion beams of coating elements with high currency density and high ionizing ratio.Upon the ion bombard and diffusion work on, the surfaces of the parts form deposited layers, diffusion layers. In this study, a commercial magnesium alloy AZ91 was coated with Ti film layer.

加弧辉光离子渗镀技术将辉光放电与弧光放电有机地结合起来，利用辉光放电空心阴极效应使工件迅速升温，同时在真空容器壁上设置一个或多个金属阴极电弧靶源，利用真空电弧放电而不断地发射出高能量、高电流密度、高离化率的欲渗金属离子流，依靠扩散和离子轰击作用快速渗入工件表面层，在工件表面可以形成渗层、镀层、渗镀结合层。

The main products are machine rails, beams, soft-organ, pumping Xiashi plate, reel-type, machine tools and other machinery-guided, screw, light bars, telescopic jacket, round ventilation tube, vacuum tubes, Shaped jacket, machine tools, and fluid, powerful filling tube, protection packages, engineering plastics, steel Tuolian, adjustable cooling pipe, scraping debris panels, plastic hose and fast joints.

主要产品有机床导轨、横梁、柔性风琴式、钢板抽匣式、卷筒式、机床及其它机械导柱、丝杠、光杠、伸缩式护套、圆型通风管、吸尘管、异型护套、机床电、液、强力矩型管、保护套、工程塑料、钢制拖链、可调冷却管、刮屑板、塑料软管及快速接头。

This sumptuous salon, built in the 17th century, which is covered with exquisite woodwork and has a marvelous ceiling with decorated beams, contains over 300 portraits going from the first sovereign of the Valois up to Louis XIII of Bourbon.

这座修建于17世纪的豪华沙龙，外观是精美的木艺，房顶的椽子也被精心装饰。这里保存的300多件绘画的收藏者包括从Valois王朝的开国皇帝到波旁王朝的路易十三世。

This sumptuous salon, built in the 17th century, which is covered with exquisite woodwork and has a marvelous ceiling with decorated beams, contains over 300 portrait s going from the first sovereign of the Valois up to Louis XIII of Bourbon.

这座修建于17世纪的豪华沙龙，外观是精美的木艺，房顶的椽子也被精心装饰。

In order to widen the frequency bandwidth of piezoelectric vibration based generator, the structure with multi-beams and single mass is designed.

本文针对压电式振动发电机频带宽度过窄的问题，设计了多悬臂梁-单质量块结构的微型压电式振动发电机。

Based on theoretical analysis to this modulation phenomenon, two sets of linealy equations for computing 3D displacement of the virtual point sources of the reference beams and the measured object have been derived.

基于对这种调制的理论分析，导出计算参考光虚点光源和被测物体三维位移的二个线性方程组。

It is obtained that the zone width of starting cut is about the first weighting step, the zone width of face is changing between 23 times of period weighting step, the zone width near intake entry and return entry is about 0.70.8 times of the first weighting step, the height of trapezoidal surface is basically subject to the location of the key strata and the deformation, breaking and instability form of the voussoir beams structure.

更多到切眼侧带宽大约为初次来压步距，工作面侧带宽在23倍周期来压步距间变化，进风巷及回风巷附近带宽约为0.70.8倍初次来压步距，内外梯台面的高度受制于关键层层位及所形成砌体梁结构的变形、破断和失稳形态。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。