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This article main analysis dragline pre-stressed belt rib monolayerspherical surface network shell natural characteristic, takes theresearch key by the most commonly used K6 net shell mechanicalanalysis.

本文主要分析拉索预应力带肋单层球面网壳自振特性,以最常用的K6型网壳的动力分析作为研究重点。

I finally put forward the feasibility of the offering of the Geometry of the Sphere in senior middle school.

最后,从实验结果分析出《球面上的几何》课程在高中数学阶段开设的可行性。

A course is the geometry of sphere.

第三章是球面几何初步的课程设计。

This paper chooses some simple knowledge in the transformation of surface figures and the concept of group, sphere geometry.

但是我们现行的几何教材中,却没有安排现代数学的内容,也没有安排具实际意义的球面几何内容。

The structure design process of Macao Dome is introduced, and important analysis results and technical measures are presented. Key problems such as deep foundation in earth fill seashore, extra long prestressed concrete flat slab on the ground floor, large span ellipsoidal steel roof structure and its overall stability are discussed emphatically.

介绍了该项目的结构设计情况和主要的结构分析结果和重要的技术措施,着重讨论了填海地区的深基础、首层超长预应力钢筋混凝土大板、超大跨度椭球面钢屋盖体系及其整体稳定等结构设计中的关键技术。

Electron beam focusing ; space-charge effect ; emittance ; spherical aberration ; chromatic aberration.

电子束聚焦;空间电荷效应;发射度;球面像差;色散像差

Limits to the minimum spot size, imposed by space-charge effect, emittance and spherical and chromatic aberrations of the lens, are investigated by means of a five-order radial trajectory equation, the K~V envelope equation and an analytical method.

理论上,利用推导的非线性轨迹方程、K-V包络方程及解析方法研究了空间电荷效应、发射度、透镜球面像差和色散像差对最小焦斑直径的限制并对聚焦实验布局和参数进行了优化选择。

More importantly, we propose a data-dependent parameterization method in which optimal parameterization in the lighting and viewing space that minimizes the modeling error is obtained.

我们使用了多变量的球面迳向基底函数核心当作我们双向贴图函数模型的核心并且使用了资料相关的重新参数化方法得到在光源及视点空间的最佳参数以增进我们双向贴图函数模型的近似度。

Specialized in manufacturing GB screws, pan head screws, lock tool screws, furniture screw, hex socket screws, nuts, carriage bolts, special bolts, pins, plain head hex socket screws, rivets, sphere screws, truss head screws, set screws, various bolts and non-standard screws.

专业生产各类国标螺丝;盘头螺丝;锁具配套螺丝;家具配套螺丝;内六角螺丝;螺母;马车螺栓;异形件螺栓;销;平头内六角螺丝;对扣螺丝;铆钉;球面螺丝;大扁头螺丝;各种非标;各种螺栓;紧定螺丝

As in the single-row type, the outer-ring raceway is spherical.

正如单列型,外圈滚道是球面

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。