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1·Its results not only may be applied to the gun with solid beam, but also to the gun with hollow beam.

其结果既造用于实心注电子枪，也造用于空心注球形电子枪。

2·The propagation characteristics and the singularity effect of a hollow beam are studied in the third, forth and fifth chapters.

第三、四、五章是对空心光束的传输特性及奇点效应的研究。

3·The phenomenon of hollow beam emerged by conical refraction from biaxial crystal, have been noticed in the early nineteenth century.

双轴晶体锥形折射产生空心光束的现象早在十九世纪初就被人们所注意。

4·Nowadays, these light beams are divided into two kinds: one is hollow beam, such as Laguerre-Gaussian beam and high-order Bessel beam;

目前，具有轨道角动量的光束主要分为两大类：一、空心光束，例如拉盖尔高斯光束和高阶贝赛尔光束；

5·The hollow beam construction not only produce the stress concentration, reduce the effect of beam mass but also extended the bandwidth.

采用空心梁结构不仅能产生应力集中而且能减少梁的自身质量带来的影响，可以有效地展宽频带。

6·The theoretical model, propagation, transformation and other issues of the hollow beam have been important research subjects in the laser optics field.

空心光束的理论模型、传输与变换等问题一直是激光光学研究的重要课题。

7·The paper introduces the construction technique, construction process and quality control on key tache for the! Prestressed hollow beam of Tongmi Bridge.

介绍垌利大桥预应力空心梁的施工工艺、施工程序、重要施工环节的质量控制。

8·After the focal plane, the focused hollow beam propagated according to a constant Angle of divergence, the DSS become larger, and the intensity become weaker.

经过焦点后，这一聚焦中空光束将以一定的角度发散，它的DSS会变得越来越大，光强度变得越来越弱。

9·The results show that stress in hollow beam and semi-shaft bush is much less than permissible stress, while joint of suspension frame and axle housing has too large local stress.

结果表明，驱动桥壳空心梁和半轴套管部分的应力远小于材料的许用应力，而悬架支座与桥壳连接处出现了局部应力过大的情况。

10·The experimental result shows that the hollow beam generated from the Fresnel Zone Plate based on a TFT-LCD has the advantages of real-time adjustability, simplicity and accuracy.

实验结果表明，基于TFT - LCD的菲涅尔波带片生成的中空光束具有实时可调、快捷和精确等优点。