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- The wave beam can be efficiently radiated from a conveniently short antenna. 波束可以从一根使用方便的短天线上有效地发射出去。
- The wave beam can be efficiently.radiated from a conveniently short antenna. 波束可以从一根使用方便的短天线上有效地发射出去。
- Axicon's diffraction mode for spherical wave beam with eccentricity[J]. 引用该论文 王中宇;张朵;李萌;高晓颖.
- Compared with the railway bridge and culvert design specifications, the box beam structure design and construction method are seen rational and feasible. 通过有限元分析结果与铁路桥涵设计规范的比较得出,该箱梁结构设计合理,施工方案可行。
- Vibration of a micro beam structure under the nonlinear electric field force in MEMS is studied. 研究微机电系统 (MEMS)中微梁结构在非线性电场力下的振动问题 .
- It is possible that the incident spherical wave beam is tilted with the optical axis of the axicon in practical measurement. 在实际使用中,入射球面波很可能与圆锥透镜的光轴发生倾斜。
- By reviewing relevant literatures, it is known that the design model is similar to the cantilever beam structure. 中文摘要植牙术后的骨整合程度,关系到手术是否成功。
- Aluminium parallel beam structure, Accuracy C3, Used to weighing scales, price counting scales. 铝合金平行梁结构C3级精度,是用于计重秤、计价秤。
- The sections of pipelines that are over rivers always form multispan beam structure because of scouring, suspending and reimforcing. 输油管线穿河段由于冲刷悬空,打桩加固形成多跨梁式结构。
- Finally, for testing and verifying the feasibility of the parameters, author applied the designing conditions to fabricate the beam structure. 最后,利用所找出的设计条件制作一悬臂梁结构以验证参数的可行性。
- Using spherical wave beam to illuminate an axicon will result in a beam with small central spot and large focal depth, which is useful for laser communication and long-distance measurement. 由于球面波入射圆锥透镜所产生的出射光束具有焦深长和中心光斑直径较小的特点,适合激光通信以及长距离测量。
- When the grillage beam structure is exposed outside,especially when the height and width of the beam are relatively large,the spray head layout will be greatly influenced. 当“井”字梁结构外露,特别是梁的高度与宽度都较大时,对消防喷头的布置带来很大影响。
- A finite element program of wall beam structure under elasto-plasticity condition is compiled based on the plastic theory and used to test some practical samples. 并基于塑性理论,编制了“墙梁结构弹塑性有限元法计算程序”,对一些算例进行了验算,得到较好的结果。
- A little apart from the surf ace, the longitudinal wave beam may exist and propagate parallel to the surface,yet has to connect with its corresponding gliding irrotational waves. 离开固体表面稍远的区域,可以有平行于表面传播的纵波声束存在,但是需要与相应的滑行集散波相互衔接。
- Inflammation of the iris of the eye. 虹膜炎虹膜的感染发炎
- A new OE-HOE system has been worked out,with which the large-aperture collimated waves,large-aperture convergent wa- ves,astigmatic waves,or wave beam with cross-section of any aperture shape can be produced. 本文给出一种光学元件(OE)与全息光学元件(HOE)的组合系统,利用它可以获得大口径高精度准直波、大口径会聚球面波和象散波以及各种形状截面的光波。
- Surgical removal of part of the iris of the eye. 虹膜切除术手术切除部分虹膜
- The invention discloses a car anticollision longitudinal beam structure which comprises longitudinal beams arranged at both sides of a car. 本发明公开了一种车辆防碰撞纵梁结构,包括位于车辆侧面的纵梁,所述的纵梁上设置有加强结构;
- Shaped like a sword, as the leaf of an iris. 剑形的,如鸢尾属植物的叶子
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries