With PRD PEEM's both spherical and semi-spherical pipe ends are possible.
可以使用PRD球形和半球形的管道终端。
The optical design of a semi-spherical screen fish-eye objective with field angle 180 degrees has been studied.
本文讨论了视场等于180度的球幕鱼眼镜头的光学设计问题。
The machining experiment is made on semi-spherical part by orthogonal test method. The results of test are analyzed by variance analysis.
运用正交试验方法对半球形零件进行切削试验，采用方差分析法分析试验结果。
Cauliflower curd is a white smooth semi-spherical structure, with shortened branches inside and a mass of proliferated meristems outside as surface.
花球是白色光滑的半球状结构，内部是短缩的分枝，表面是大量增生的分生组织。
The small empty basket can be in various suitable shapes, such as a spherical shape, an axiolitic shape, a cubic shape, a semi-spherical shape, etc.
小空篓可以为球状、椭球状、立方体状、半球状等等各种适宜的形状。
Based on the mass conservation principle, the production formula of semi-spherical flow for pseudo-pressure, pressure-squared and pressure are derived in this paper.
本文基于半球形流的特点，利用质量守恒原理，通过推导得到了由拟压力、压力平方和压力一次方表示的产量公式。
This paper describes the strain character of forming of thin-walled semi-spherical head. According to the deduction of the forming pressure-pad-force formulae is given.
本文从变形分析着手对压制半球形薄壁封头的成形力进行了分析，并得出了压边力的理论计算式。
Once needing sinkage, the semi-spherical containers can be gradually opened for water inlet; when gravity is equal to buoyancy, the diving device can suspend in the water.
一旦需要下沉时，可将半球形容器逐个分开进水，当重力等于浮力时，潜水器可悬浮在水中。
In its construction, engineers adopted fastener steel pipe frames to support the semi-spherical dome in order to replace reinforcement concrete and foundation of the station.
本文论述沈阳老站圆形候车大厅保护性改造工程中，采用扣件钢管框架支撑半球形穹盖进行更换钢筋混凝土柱及基础的施工。
Located at the center of a semi-spherical void, a complex solid object contains four rectangular voids: the concert hall, black-box theater, music rehearsal room, and library.
在空心半球形建筑中心，一个包含音乐厅、黑盒剧场、音乐排练室和图书馆四个矩形单元的复杂实体置于其中。
The design, prototype manufacture and technology of the semi spherical center plate pads are described.
介绍了半球状心盘衬垫设计、试制、工艺情况。
A new semi-automatic spherical surface machining device is presented. Its structure and working principle are involved.
介绍一种在车床上使用的半自动车削球面装置的结构和工作原理。
Using a semi-analytical method, the nonlinear stability of a spherical shallow shell under centrally distributed and concentrated loads is investigated in this paper.
本文采用半解析方法研究在中心分布载荷及中心集中力联合作用下，圆底扁球壳的非线性稳定性问题。
Within the method of first-order trend OK, Gaussian semi-variogram model performed better than both the spherical and exponential models.
一阶趋势的OK方法中半方差函数模型选用高斯型的比选用球状和指数型的插值效果相对要好。
In the present study, higher power frequency makes the solid particle of the semi-solid AZ91D more spherical.
在试验范围内，随电磁搅拌电源频率的增大，半固态AZ91D合金组织中固相颗粒形态越来越圆整。
The results showed that the soil nutrient had semi-variance structure in bamboo forest, and most of them were spherical model.
结果表明，毛竹林土壤养分存在半方差结构，多数为球状模型。
Existing models of joints 'were based on the semi-rigid beam-column joints of steel frames and had many limitations, so they were not suited to welded hollow spherical joints.
已有节点模型主要是针对钢框架梁柱半刚性节点提出的，具有很大局限性，不适合于焊接空心球节点。
The company possesses special manufacturing technologies for high-precision grinding and polishing machine for plane surface, spherical surface, curved surface and semi-cylinder.
公司拥有高精度系列平面、球面、曲面、半柱面等研磨抛光设备的高抛、低抛、双面抛专业生产技术。
The company possesses special manufacturing technologies for high-precision grinding and polishing machine for plane surface, spherical surface, curved surface and semi-cylinder.
公司拥有高精度系列平面、球面、曲面、半柱面等研磨抛光设备的高抛、低抛、双面抛专业生产技术。
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