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- The results show that the annular beams become non-rotational symmetric after passing through an astigmatic lens. 研究结果表明:环状光束通过像散透镜后变为非旋转对称光束；
- The inner and outer envelops of the annular beam are also derived under different plasma electrons distributions. 求解了环形束内不同等离子体分布情况下电子束在等离子体中的包络轨迹。
- Introduce the massive concrete construction technique and experience in annular beam of Nantong gymnasium meeting and exhibiting center. 介绍了南通市体育会展中心体育场环梁大体积混凝土的施工技术和经验。
- Using axicon-based optical devices can realize such transormations as Gauss' beam into a diffraction-free Bessel beam,solid beam and annular beam converting each other. 应用旋转棱镜和组合光学系统能够将高斯光束变换成“无衍射”贝塞尔光束，并能实现实心和环状光束的相互变换。
- Focusing property of annular beams through a spherical aberrant lens 环状光束通过球差透镜的聚焦特性
- DESIGN OF THE ANNULAR BEAM OF BLAST FURNACE WITH BELL-FREE TOP 高炉无料钟炉顶环梁的设计
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The rain has rotted the roof beams. 雨水使屋梁腐朽了。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- They riveted the steel beams together. 他们把钢梁铆接在一起。
- Those bamboo beams will not bear. 这几根竹制的横梁承受不住压力。
- His answer was right on the beam. 他的答案完全正确。
- It was reported that there would be an annular eclipse tomorrow. 据报道说，明天有日环食。
- We enjoy seeing the glorious beams of the rising sun. 我们喜欢观赏初升太阳的灿烂光辉。
- He struck the beam with his head. 他的头撞到梁上了。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- Never heard of her. You're off the beam. 我从来没有听说过这个人，你搞错了吧。
- Shaped annular beam differential confocal measurement with higher spatial resolution 具有高空间分辨力的整形环形光式差动共焦测量法
- Mind you don't knock your head (on this low beam). 小心，别(让这根低梁)撞著头。
- 今日热词
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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
