在该过程中，利用软件精确地模拟了排气系统的声扬特性，为优化设计提供了改

在该过程中，利用软件精确地模拟了排气系统的声扬特性，为优化设计提供了改进方向，加快了开发过程，减少了开发成本

結果 (英文) 1:

In the process, the software accurately simulates the sound field characteristics of exhaust systems for optimizing design provides improved direction, speed up the development process, reduce development costs

結果 (英文) 2:

In this process, use the software to accurately simulate the acoustic properties of Yang exhaust system for optimizing the design provides an improved direction, speed up the development process, reduce development costs

結果 (英文) 3:

In the process, accurately simulate the sound field characteristics of the exhaust system application software, providing method of optimization design, to speed up the development process, reduce development costs