查询词典 developable surface

The shading network plugged into the eMicroscope surface shader creates the look of a bump mapped surface that interpolates between black and light blue depending on how much each point on the surface is facing towards the camera.

这个材质网络插入一个电子显微镜的表面材质创建一个凹凸表面的外观，依靠每个点在面对摄像机的方向来在黑色和淡蓝色之间进行插值。

On the basis of analyzing the theory of the modeling of the propeller surface, this paper transforms the section data given by design to the data in Descartes coordinates. Interpolates the section data to get enough data and fits the blade surface with the least square method. A perfect C2 blade surface can be obtained by adjusting the deviation weight and fairing weight. According to the cylinder rough, two rough cut methods are preferred.

本论文在深入分析螺旋桨曲面成型原理的基础上，将设计时给定的桨叶曲面的切面数据转化为笛卡尔坐标系中的坐标，利用B样条方法对截面数据点插值并加密，得到足够的数据点，进而利用最小二乘法拟合出桨叶曲面，通过调整偏离权和光顺权得到了理想的二阶连续的桨叶曲面。

A new surface humid index indicating the buck effect of climate change was constructed and used to analyze the surface soil dry/wet state of China. In recent 47-year, the result was compared with those of traditional methods, the necessary study on relationship between soil moisture, surface humid index and precipitation was made.

提出一个可表征气候变化总体效应的地表湿润指数，以该指数为基础，分析了近四十七年来中国区域地表的干湿状况，并与传统的方法的结果进行了对比分析，同时对土壤湿度、湿润指数及降水的关系做了必要的探索。

Duration of inversion temperature near ground surface is longer, air temperature is lower, air humidity is higher and water surface evaporation of 20cm standard pan on the top of canopy is generally lower under sprinkler irrigation condition than those under surface irrigation condition.

喷灌跟地面灌溉相比，喷灌条件下近地面出现的逆温时间长，空气温度低，离地面1～4米高度范围内空气湿度大；冠层顶部20cm蒸发皿水面蒸发量小；喷灌条件下0～60cm土层内土壤含水量较高且变幅较小，白天地表温度低，晚上地表温度高。

One easy way to assemble molecules from a dilute solution is to concentrate them on a flat surface. Errant molecules might have been drawn to the calm surface of a tidal pool or perhaps to a primitive "oil slick" of compounds trapped at the water's surface.

从稀溶液中聚集分子有个简单方法，可在一个平坦表面上使分子聚集，游荡分子也许会跑到潮间池的水面，或者水面上类似浮油的化合物中。

Pure magnesium was treated by A. C. treatment technique in 0.25mol/L NaZSO4+0.1mol/L NAOH solution. The surface morphology was observed by scanning electron microscopy. The contact angle of the treated surface of pure Mg was measured by the First Ten Angstroms instrument and then its surface free energy can be calculated. The effect of alternating current treatment on the corrosion resistance of the pure magnesium was studied through electrochemical methods in 0.05mol/L NACI+0.01mol/L NAOH solution. The experimental results showed that a uniform and perfect oxide film was formed after A.

采用载波处理方法，用0.25mol/L Na2SO4+0.1mol/L NAOH作为载波处理溶液，对纯镁试样进行载波处理，通过正交试验确定载波处理的最佳工艺参数；用扫描电了显微镜观察载波处理后试样的表面形貌；用First Ten Angstroms仪器测量蒸馏水纯镁的接触角并计算出表面能；用电化学方法研究了在0.05 mol/L NACI+0.01mol/L NAOH溶液中载波处理对纯镁耐蚀性能的影响。

The main products are SF-1 (as the base plate of the middle sintering Copper Balls powder, surface modified PTFE); SF-2 (plate as the base of the middle sintering Copper Balls powder, surface modified POM); JDB (For brass, bronze, iron-based body, inlaid solid lubricant); dual-metal (steel as the base for the various models of the surface of copper); production of various enterprises have also filled with PTFE, the curve of bearings, bearing powder metallurgy, by Chun-for the Pistons, Piston Ring, ethylene tetrafluoroethylene ring, ring.

主要产品有SF-1（钢板为基体中间烧结铜球粉，表面为改性聚四氟乙烯）；SF-2(钢板为基体中间烧结铜球粉，表面为改性聚甲醛)；JDB（为黄铜、锡青铜、铸铁为基体，镶嵌固体润滑剂）；双金属（钢板为基体表面为各种型号铜）；企业还生产各种填充四氟带、曲线轴承、粉末冶金轴承、减震器活塞、活塞环、四氟乙烯密封圈、环。

Based on analyzing test data of intercepting air-to-surface and surface-to-surface tactics missile, the evaluation method of kill effect of intercepting tactics missile was presented.

拦截战术导弹杀伤效果的评定方法，在分析拦截战术弹道导弹的试验数据基础上提出。

The research results show that a PDE surface can avoid the construction of continuous functions and a compound PDE surface reconstruction can conveniently realize the crosssectional contour surface continuity of the first order or more parameters.

实验结果表明，PDE重构断层间轮廓线表面避免了连接函数的构造，而且基于组合PDE曲面的断层间表面重构方法能方便地实现轮廓线间表面的一阶或一阶以上的参数连续。

Is it is it gain knowledge to tire and dry to exposed to state frictional force is it is it analyse to go on to commit road surface have to rub to use at first,lagging behind in forming frictional force elasticity on function,glueing and cutting function to analyse a little separately, state the building stones lamination and construct the influence that the depth resist slippery performance to the road surface;Is it is it set up tire sport model to transfer according to elasticity of tire to to slip,is it slip person who move adhere to relation of coefficient with road surface to establish.

首先运用摩擦学知识对轮胎与路面干燥接触状态下摩擦力构成进行分析，分别对构成摩擦力弹性滞后作用、粘着与微切削作用进行分析，说明石料纹理与构造深度对路面抗滑性能的影响；根据轮胎的弹性滑转建立轮胎运动模型，建立滑移值与路面附着系数的关系。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。