The acis rain in china is due to the local pollution of sulfur.

我国酸雨主要是局地性硫污染所造成的。

ACIS provides a number of function library and abundant functionality of 3-d geometry modeling.

ACIS提供了大量的函数库，具有丰富的几何造型功能。

With the development of ACIS platform, the importance of its model file has become more and more obvious.

随着ACIS环境应用的不断扩展，其模型文件的重要性也越来越突出。

An advanced 3d CAD system based-ACIS platform is introduced, including its design, development and application.

该文介绍了一个基于ACIS平台的大型三维CAD系统的设计、开发与应用。

The second part gives a thorough analysis of China's ACIS and points out its faults from the perspectives of jurisprudence, the philosophy and comparative law.

第二部分是从法理学法哲学以及比较法学等角度对我国目前的行政强制执行制度进行了深入的分析，并指出其不足。

In this thesis, the writer takes advantage of ACIS triangulating fuction and takes rounded corner tool for example to discuss calculation and elimination of interference.

利用AC IS的三角化功能，以圆角刀为例，讨论了干涉量的计算与消除，提出了计算刀具外形相对四周三角片的位置。

Geometric model was extracted through ACIS, manufacturing feature was recognized reconstructed through establishment of manufacturing feature library and using of Rule-based method.

通过ACIS提取几何模型信息，建立制造特征库与采用基于规则的方法实现对制造特征的识别与重构。

Targeted at objects this paper introduces ACIS software technology, which combines wireframe model, surface model and solid model. It allows three presentations in the integral system.

主要说明AC IS几何技术是一个面向对象软件技术，它集线框、曲面和实体造型于一体，并允许这3种表示共存于统一的数据结构中。

ACIS is a prominent 3d modeling engine, which integrating wireframe, surface, and solid modeling in itself, supplies a geometric modeling platform for different 3d modeling applications.

ACIS是一种三维几何造型引擎，它集线框、曲面和实体造型于一体，为各种3d造型应用的开发提供了几何造型平台。

Based on ACIS, the WEDM oriented software for the design and mesh simulation of micro gears is developed, by which the modeling, mesh simulation and interference check can be implemented.

基于ACIS几何平台，开发了面向线切割的微小齿轮设计和啮合仿真软件，实现了微小齿轮的造型，并可进行啮合过程仿真和干涉检验。