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- main beam design 主梁设计
- The crane is connected with the main beam through its under-frame and the truck chassis. 起重机通过其底架与汽车底盘与大梁连接。
- The BEAM design approach creates nimble robots from simple components, with no programming required. 很赞赏BEAM的设计理念:无需编程,用简单的元件制作出敏捷的机器人。
- Luminaire designed to be suspended from a cable with its main beam axis at right angles to the axis of the road. 利用电缆进行悬挂的灯具，其主光轴与道路主轴成直角。
- A brief calculation method to the consolidation beam design was given by using section increment. 给出了利用加大截面法对钢筋混凝土梁进行加固设计的一种简化计算方法。
- The main beam of the roof of this palace built in the Ming dynasty was made of precious wood. 这座明代宫殿的房柁用的可是名贵木材。
- The extended part is internal frame, which is pushed by hand to orbit for sending or receiving cargos inside main beam. 伸出部分为伸缩板，手推使之在固定横梁内沿轨道运行接送货物。
- This paper discusses Digital Beamforming(DBF) in detail for engineering application on radar system,introduces circuit design and beam design of DBF. 本文对数字波束形成技术在雷达系统中的应用进行深入讨论,介绍了数字波束形成的电路设计和波束设计。
- For Vibrating the construction of all kinks of pier, bridge, tunnel, foundati- on of building, post, main beam and various perfabricated components. 适用于各种桥墩、桥梁、隧道、楼房基础、柱、主梁及各种预制构件的振捣施工。
- The main reason of the main beam down deflection was that the most complex stress exceeded the admissible value and achieved the yield limit value. 主梁下挠变形的主要原因是受热引起的最大复合应力超过许用值,达到了屈服极限值,强度不满足要求。
- The antenna diagram approximation model used in our investigations considers constant gain within the full beamwidth of the main beam. 在研究当中，天线图解的近似模型在主要波束的饱和波束宽度范围内，可认为其增益是固定的。
- It also discusses the effect degree of the spaceborne SAR beam design on the premise of observation swath redundancy design when the altitude and attitude of the satellite is changing. 讨论了在观测幅宽冗余设计的前提下,当卫星轨道高度或姿态发生变化时,星载SAR波位设计可能受到的影响程度,通过仿真表明,观测幅宽冗余设计一定时,要求卫星的高度和视角突变不能超过一定的范围。
- It is provided with a telescopic bracket.The box beam at the external side of the telescopic part of the bracket is inserted into the square hole in the main beam. 其中，拖架具有可伸缩功能，是通过可伸缩部分外侧的箱形梁插入货台主梁的方孔中，选择箱形梁上孔的位置来实现的。
- It usually has great affection in process of construction of cabled-stayed bridge with variety of the temperature, caused the main beam line form creation deviation in the end. 在斜拉桥施工过程中温度的变化往往对斜拉索的索力产生较大影响，最终导致主梁线形产生偏差。
- It makes the calculation analysis of the integral stability of the whole bridge in the process of tensioned main cable and adjustment main beam stress and the process of tensioned main cable taking the proposed reverse suspension bridge as the object. 以拟定的某反吊桥方案为对象 ,对张拉主缆索调整主梁应力过程及张拉主缆索过程中全桥的整体稳定性作了计算分析。
- The company specializes in production of Model JPKK series endless chain electric block, JKBK flexible single main beam hanged crane, rotary beam hoist, as well as all kinds of motor, carriage, control box, etc. 本公司专业生产JPKK型系列环链电动葫芦、JKBK柔性单主梁悬挂起重机、旋臂吊起重机以及各种电机、小车、控制箱等。
- Technical specifications are all satisfied within required wide frequency range, which include VSWR, main beam width, sidelobe level, gain, and the mutual relation of sum and difference patterns, etc. 在较宽的频带内，对于驻波比，主瓣宽度，旁瓣电平，增益，和 与差方向图对应关系等都得到了满足。
- Deformation of the main beam of the bridge crane is one of primary breakdown.The pre-stressed method not only restores the main beam of the bridge crane , but alos improves its load-bearing capacity . 桥式起重机主梁的下挠变形是桥式起重机的主要故障之一，采用预应力张拉工艺修复，不仅能使主梁下挠得以恢复，而且可以使主梁的承载能力得到提高。
- Some main beam sharping technologies were summarized, and the operation mistake and some different ways to deal with the heads of fibers in the techniques of beam sharping were analysed. 5. 4、总结了国内主要的一些光束整形技术，分析了在各种整形技术中操作误差对激光光纤耦合效率的影响，比较了在整形技术中对光纤端面的不同处理方式对耦合效率的影响。
