查询词典 surface

This paper introduces the application fields of reverse engineering , discusses the techniques of coordinate data acquisition and the features and the used scopes of all kinds of measure methods, elaborates the principal techniques of surface reconstruction of reverse engineering,analyses the problems of surface reconstruction., addresses a kind of algorithm of the scattered "points cloud" preprocessing and a method of employing CAD modeling software to finish surface modeling,develops a cloud data optimum processing programme.

本文介绍了反求工程的应用领域，讨论了坐标点的测量技术及各种测量方法的特点与适用范围，阐述了反求工程中曲面重建技术，分析了曲面重建中存在的主要问题，提出了离散"点云"的预处理算法及利用CAD造型软件进行曲面造型的方法，并开发了"点云"数据优化处理程序。

Put the operating objects into water for soaking absolutely, then enforce the picture surface to be face to face with the object surface after printing film separates from floor sheet absolutely and finally fish out the object after verifying the position of printing film, which is more suitable to print round object with a large-scale or curly surface.

将欲转印的物品完全泡在水中，待转印膜与底纸完全分离后，将转印膜图像面向上置于物品表面，调整好转印膜的位置，再从水中小心将物品捞出。（此方法适合大幅面和曲面转印）。

Facing up surface subsidence damage and casualty caused by exploitation of underground mineral resources, using topological analysis, information disposal of GIS, combined with probability integral computation model, surface subsidence predicting program model based on GIS is set up, and new surface subsidence predicting program is developed.

针对地下矿产资源开采诱发的地表沉陷灾害，利用GIS的拓扑分析、信息处理功能，并与概率积分方法计算模型相结合，建立了基于GIS的地表沉陷预计程序模型构架，开发了新的地表沉陷预计程序。

Density, surface tension and rheological characteristics are the essential properties of the non-Newtonian fluid. Pycnometer, surface tensiometer, and rheometer were adopted respectively to measure the density, surface tension and rheological characteristics of 0.25%, 0.50%, 0.75% PAM aqueous solutions at 293.15K. The parameters of equations were fitted in terms of the experimental data.

密度、表面张力和流变性质是非牛顿流体的基本性质，本文采用比重瓶、表面张力仪和流变仪分别测定了293.15K温度下质量浓度依次为0.25%、0.50%和0.75%PAM水溶液的密度、表面张力和流变性质，并对数据进行了关联，拟合了方程参数。

On ray tracing algorithm, line-surface intersection is the basic operation. we have studied the intersection method between line and plane region, quadric surface, NURBS surface.

在光线跟踪算法方面，对精确模型下曲面的直接光线跟踪进行了尝试，提出了对平面区域、简单二次曲面及NURBS曲面直接进行光线跟踪的算法。

According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf , this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf , so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration , blockage the holes between fibers and capillary , cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber . at the same time , solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing

针对吸水变形、霉变主要发生在地板企口表面的特征，采用企口表面全封闭法，在复合强化地板企口表面喷涂特殊的防水封闭剂，使其依靠毛细管作用及渗透作用进入板内一定深度，堵塞木纤维之间的空隙及毛细孔通道，截断水分传递的渠道，并改变毛细孔壁及纤维的表面性质以不利于水的浸润与吸附，同时其固化后能在企口表面形成一层致密的憎水薄膜，防止水分、湿气从企口侵入板内引起木纤维膨胀变形、发霉等现象。

It includes spatial and temporal distribution of microwave radiometry characteristics, retrieving surface parameters, distribution of surface parameters and near-surface passive microwave remote sensing on sand desert area.

以往的研究表明，综合利用微波散射辐射特性能够帮助人们选择决定反演参量的观测参数、提高反演精度和加深对地表面与微波辐射之间交互作用的机理的理解。

The ECM productivity of inner ratchet wheel is very high. Cathode piece is machined easily using WEDM. Its dimension is nicety. Cathode is not worn down in process,so a piece of cathode can be repeat used to machining tens or several hundred parts. The surface quality of inner ratchet wheel being machined is nice. There is no burr in the surface. Its surface roughness can reach Ra1.6μm.Its ...

应用电化学加工技术加工内棘轮，生产率很高；采用线切割加工片状工具阴极，制作方便、尺寸准确；加工过程中工具阴极无损耗，一片阴极可以重复加工几十至几百个零件；加工出的内棘轮表面质量好，无飞边毛刺，表面粗糙度可达Ra1.6 μm ；加工精度较高。

Rational planar curve; rational space curve; rational ruled surface; moving curve/surface;μ-bases; singularity; self-intersection curve; moving curve/moving surface ideal; ideal-theoretic/set-theoretic generators

基础科学，数学，几何、拓扑平面有理曲线；空间有理曲线；有理直纹面；动曲线/曲面；μ基；奇点；自交线；动曲线/动曲面理想；集论/理想论生成元

A head crash happens when the surface of the read-write head or particles on its surface contact the magnetic disk surface.

当读写头的表面或表面上的微粒与磁盘表面接触时会发生磁头划伤。

Now she was hungry and angry.She began to smoulder.

现在她又饿又气，她开始流露难以抑制的怒火。

You have placed our iniquities before You, Our secret sins in the light of Your presence.

诗90：8 你将我们的罪孽摆在你面前、将我们的隐恶摆在你面光之中。