express class是什么意思

用法例句

How to ensure the quality of fast pickled vegetables with low salt;

提高速成低盐酱菜质量的探讨

A new method applying on the fast breaststroke teaching for the youngster;

抬头蛙泳教学法在少年儿童蛙泳速成教学中的应用

On rapid prototype manufacturing technology for plastic products as well as its application;

塑料制品快速成形制造技术及其应用

On the basis of it,tridimensional molding for the sample piece by the use of rapid prototype technology was formed and the resin master model was made.

对客户提供的玻璃器皿样品尺寸进行三坐标测量,在此基础上利用快速成形技术对样品进行三维造型并制成样品的树脂原型。

The principle, classification and main technology of rapid prototype have been introduced in comparison with conventional working processes.

将快速成形技术与传统加工方式进行比较,介绍了快速成形的原理、分类,以及主要的快速成形工艺。

Review of Progress in Investment Casting Technology at Abroad PartⅫ:Application of Rapid Prototyping Technology to Investment Casting;

快速成形技术在熔模铸造中的应用——国外精铸技术进展述评(12)

Study of an effective laser redius compensate algorithm for rapid prototyping;

快速成形激光光斑半径补偿算法的研究

Reasearch on Adaptively Slicing the Unchangeable Thick Layer in Rapid Prototyping;

快速成形定层厚自适应切片研究

The glass service offered by client was measured in three coordinates dimensions, on this condition, the rapid prototype technology was used to sculpt using three coordinates dimensions and obtain colophony prototype of the specimen, the core of mold roughcast was made using gesso and colophony prototype, and using roughcast 's wooden model with a middle hole to make molds.

对客户提供的玻璃器皿样品尺寸进行三坐标测量,在此基础上利用快速成型技术对样品进行三维造型并制得样品的树脂原型,利用石膏模和树脂原型制备模具毛坯的型芯,采用中空的毛坯木模来造型。

Based on Hausermann abrading principle, an abrader replicated from the master pattern built with RP(rapid prototype) model is used to grind the graphite block.

介绍了一种电火花加工用石墨电极的整体制造技术 ,这种技术采用Hausermann研磨原理 ,通过将快速成型技术制成的母型翻制成研具 ,实现对石墨电极的研磨加工 ;介绍了研具的具体制造方法和研磨成型机的主要结构。

Aimed at enhancing the product quality of STL rapid prototype equipment, a series of experiments in manufacturing a part were made upon the equipment.

针对快速成型设备成型质量不高的问题 ,利用 STL 快速成型设备进行试验 。

Application of Rapid Prototyping Manufacturing and Rapid Tooling in Modern Industrial Production;

快速成型和快速模具在现代工业中的应用

The New Product Development of Lamps and Lanterns of Automobile Based on Rapid Prototyping Manufacturing;

基于快速成型技术的汽车灯具新产品开发

Rapid prototyping manufacturing technics for ceramic parts is an important applied aspect of rapid prototyping manufacturing in ceramic molding field.

陶瓷零件快速成型技术是快速原型制造技术在陶瓷材料成型领域的重要应用方向之一。

Application of varying velocity mapping technique for mountain front in southern Junggar basin.;

准噶尔盆地南缘山前带构造变速成图

The application of varying velocity mapping technique in the low amplitude structure interpretation in ErLian Basin SaiHanTaLa Hollow;

变速成图技术在二连盆地赛汉塔拉凹陷低幅度构造解释中应用

We succeeded to apply the varying velocity mapping technique based on model tomography in Double fox software to the structural interpr.

本文成功地将双狐软件中的模型层析法变速成图方法应用于拖谢地区三维构造解释,消除了该区复杂地表结构、地下地层倾角大、地层速度纵横变化大等因素对构造形态及构造高点的影响,取得了较好的效果。

By the investigation and research on the variable velocity mapping technology and theory, combining with the progressive exploration practice of Yan Muxi area as well as the practical geologic and structure features of this area, two methods of progressive variable velocity mapping suitable for the local region were found: well average velocity and secondary error analysis.

通过对变速成图技术方法和理论的调研,结合雁木西地区滚动勘探实践,针对该地区实际的地质特点和构造特点逐步探索出两种适合该地区的滚动变速成图方法:井平均速度法和二次误差分析法,并应用二种校正方法-倾角校正和剥除浅层低速带法对构造图做进一步的校验,有效地提高了速度场建立和变速成图的精度,解决了雁木西地区低幅度构造成图问题。

Macro computational model of rapid wall;

速成墙板的宏观计算模型

The nonlinear analysis of rapid wall based on macro model;

速成墙板基于宏观模型的非线性分析

Experimental and theoretical research of rapid wall filled with concrete under eccentric axial load;

速成墙板偏心受压性能的试验与初步分析

Basing on the support for suspended parts of Rapid Prototyping(RP),five suspended features,comprising slope,arc roof,flat roof,free-end suspension beam and closed-end suspension beam,are concluded from all parts needing to be supported during RP process.

针对快速成形产品悬空部分的支撑问题,归纳出常见零件的5种悬空特征,分别为倾斜形、弧顶形、平顶形、开放式悬臂形、封闭式悬臂形。

Facing more applications, rapid prototyping(RP) technology needs to design novel material systems and processes.

快速成形技术面对日益广泛的应用领域，需要设计相应的材料体系和快速成形工艺，面对日益复杂的材料体系；需要将成形和功能实现解耦分析，又要最终耦合在快速成形的实现过程中，面对所涉及的各种物理化学过程，需要有合适的描述以综合各个过程，同时能够直接对快速成形过程进行定量和定性研究，将快速成形技术视为材料精确控制和制备自动化的新途径能够建立更广阔的视野。