查询词典 hyperboloid of two sheets

Establish geometry model of hyperboloid clutch with rollers with differential geometry. We know that the line of tangent is beeline and validate it with Matlab.

利用微分几何相关知识建立了内外环的双曲面等距曲面及滚柱的几何模型，求解出其接触线为直线并用MATLAB进行了理论验证。

Based on the electron gun of SDS-3 electron beam lithography machine,the concave hyperboloid Wehnelt(oxide-coated cover)of accelerator is discussed.

以SDS-3电子束设备的电子枪为基础，讨论了双曲凹面加速器维纳尔的电子轨迹与能量分布。

The static and seismic models of earth-rock, contact face and connected watertight seal are discussed. The formula of Shen Zhujiang hyperboloid elastoplastic model is derived in detail.

讨论了土石料、接触面、连接止水的静、动力本构模型，并详细推导了沈珠江双屈服面弹塑性模型的表达式。

Manufacture the hyperboloid clutch with rollers, and it satisfy with the request of function and experimentation. At the same time, in the base of that the research of movement system、force system、sustain system、lubricate system、pressurize system、adjust of rotate speed system and so on.

同时，通过对转矩系统、轴向力加载系统、支撑系统、润滑系统、密封系统、转速调节系统、电压测试系统、电流测试系统的研制，研制出了一种对加载器力学性能进行测试验证的实验装置。

First of all, the improving feeding helix can not only get material into the ball mill successfully, but also increase ventilated proportion; Secondly ,making use of all sorts of new scaleboards can reform the working condition of skive substance and raise the material adaptability; Third, separating storehouse board, have not only increased control material to flow, and balanced each storehouse smash the function of ability, but also realize thickness pellet grade role; Grind tail storehouse choose hyperboloid drum liner, in axial and circumference direction have incline curved surface, can not only increase steel ball lateral grade , but also still raise steel forge , steel ball grind efficiency.

进料口螺旋的改进，不仅解决了堵料现象，而且加大了通风面积；各种新型衬板的使用，对研磨体运动状态的调节以及对物料的适应性都有了较大的改善；隔仓板不仅增加了控制料流及平衡各仓粉碎能力的功能，而且可以实现粗细颗粒的分级作用；磨机尾仓选用双曲面衬板，在轴向和圆周方向均有倾斜曲面，不仅能够增加钢球的横向分级，还能提高钢锻、钢球的研磨效率。

In this paper, a new method for aspheric conicoid machining is offered by using normal equidistance line offsetting methods.1、Obtain ecumenic equation of normal equidistance offsetting line methods for aspheric conicoid machining induced from mathematical equations of paraboloid, hyperboloid and ellipsoid surface; reason the conditions for avoiding of tool intervening.2、Bring forward the general design project for machining tool together with some primary components based on the conception of non-sphere conicoid machining by using normal equidistance line offsetting.

其主要内容有： 1、进行了二次旋转曲面法线等距离线加工方法的理论研究，分别建立了抛物面、椭球面和双曲面的法线等距离线模型，得出了避免加工过程中刀具干涉的必要条件。 2、根据法线等距离线加工法的理论，确定了二次旋转曲面加工机床的总体设计方案，并进行了零部件的选择。

In order to maximize change in the past vertical building structures, and overthrow the original shape influenced by it, these houses are anticlockly turned by 15 degree, supported and connected with 8 inclined steel columns. A core shaped-hollow construction is built to stand in the middle of this building to accomplish the rotating construction as the final formation. The outer curtain wall is hyperboloid metal net, which helps to form an overall rotation effects and well-protected the privacy of the residents.

为了最大限度的改变以往的垂直建筑结构，推翻在其影响下的建筑形态并满足面积为12*12的要求，我把每层的楼板按逆时针旋转15°并用8根钢柱连接，辅助斜向钢柱加以支撑，配合核心筒最终形成旋转的建筑结构，外表皮为双曲面金属网，能够有形成整体的旋转效果并很好的保护室内居民的隐私。

In the paper, the author establish the evaluation system between the "two planing" based on the reintegrating and perfecting of the spatial planning system in our country and the reforming requirement to the sub-planning of spatial planing—the "two planing" from the change of precondition of the making of planning, through which to indicate the complicated contradictive relation between the " two planning ", to quantificationally appraise the present maturity degree and to guide the developing direction to the " two planning ". the author try to find out the two planning's reform direction and emphases in aftertime though out putting the evaluation system between the "two planing" into the sample city regional practice. In the end of this paper, the division and the collaboration mechanisms of the "two planing" have been discussed under the future perfect spatial planning system, also the division and the collaboration two strategies of the "two planing" based on current situation development of planning and the future perfect spatial planning system have been pointed out.

论文从我国空间规划体系建设和完善的角度，结合规划外部环境变化背景下我国今后空间规划重点内容的转变对其子规划--城市总体规划和土地利用总体规划的要求建立了&两规&协调的评价体系，用来评价我国当前&两规&在规划理念、规划编制和规划实施等方面的成熟程度，引导&两规&未来发展；通过对样点城市区域&两规&协调的评价来反映当前我国&两规&编制实施状况，找出今后&两规&各自的重点研究内容；最后探讨了未来完善的空间规划体系下&两规&的分工协作机制，提出了基于规划未来发展和基于规划发展现状的&两规&分工协作策略。

Now transmuted, we swiftly escape, as Nature escapes; We are Nature—long have we been absent, but now we return; We become plants, leaves, foliage, roots, bark; We are bedded in the ground—we are rocks; We are oaks—we grow in the openings side by side; We browse—we are two among the wild herds, spontaneous as any; We are two fishes swimming in the sea together; We are what the locust blossoms are—we drop scent around the lanes, mornings and evenings; We are also the coarse smut of beasts, vegetables, minerals; We are two predatory hawks—we soar above, and look down; We are two resplendent suns—we it is who balance ourselves, orbic and stellar—we are as two comets; We prowl fang'd and four-footed in the woods—we spring on prey; We are two clouds, forenoons and afternoons, driving overhead; We are seas mingling—we are two of those cheerful waves, rolling over each other, and interwetting each other; We are what the atmosphere is, transparent, receptive, pervious, impervious: We are snow, rain, cold, darkness—we are each product and influence of the globe; We have circled and circled till we have arrived home again—we two have; We have voided all but freedom, and all but our own joy.

我俩，我们被愚弄了这么久我俩，我们被愚弄了这么久，可现在变了，我们迅速逃走，像大自然一样逃走，我们就是大自然，我们离开这里已经很久，但是如今回来了，我们变成植物、树干、树叶、树根和树皮，我们被安置在地里、我们是岩石，我们是橡树，我们并排地生长在林中的空地，我们吃草，我们是野牛群中的两只，如大家一样自然，我们是在海中一起游泳的两条鱼，我们是刺槐的花朵，我们早晚在小巷周围散发香气，我们也是兽类、植物、矿物的粗劣斑点，我们是两只肉食的苍鹰，我们翱翔在高空，俯视下面，我们是两个灿烂的太阳，我们在像星球般平衡着自己，我们是两颗彗星，我们张牙舞爪地在树林巾梭巡，我们向猎物跃进，我们是午前午后在上空奔驰的两朵云，我们是交混的海洋，我们是两个欢乐的浪头，在互相浇泼和连环翻滚，我们是大气、明澈而善于接受，有时能穿透，有时不能，我们是冰雪，雨水，寒冷，黑暗，我们是地球上的每种势力和产品，我们绕了一圈又一圈，最后我们又回到家里，我俩，我们避免了—切，除了自由和我们自己的欢欣。

In recent years, some derived yeast two-hybrid systems have been established, including yeast two-hybrid dual bait system, reverse two-hybrid system, membrane-associated two-hybrid system (SRS, TOPIS and split-ubiquitin base two-hybrid system) and transcriptional factors-associated two-hybrid system(RTA system and PolⅢ based two-hybrid system), which promise to overcome some limits and improved the sensitivities of the original yeast two-hybrid system.

十余年来，随着酵母双杂交迅速推广，不断涌现出一些衍生系统，其中包括酵母双杂交的二元诱饵系统，逆向双杂交系统，非转录读出特点的双杂交系统（如Sos蛋白招募系统、PI3K介导的靶蛋白识别系统和断裂-泛素为基础的双杂交系统）以及转录激活因子与其相关蛋白之间的相互作用的双杂交系统（如以polⅢ为基础的杂交系统和RTA系统）等。

Warden: That's a beautiful dog, but don't bring her again.

那是条漂亮的狗，但是不要再把她带来了。

You get up in the morning – no hangover!

你第二天早上起来的时候—不会宿醉！