A method of gis based online power system transmission parameter visible management system on unix is introduced in this thesis . this parameter management system was developed by aml ( arc macro language ) on the gis ( geography information system ) platform arc / info of esri 作者以某省电力公司调度通信中心电网调度参数管理系统的开发为例，介绍了一种unix环境下基于地理信息系统gis的在线电网参数可视化管理系统的实现方法。
There s an audio editor called audacity that i use as a case study in my book , which i think is a brilliant example of how you take the macintosh ideas of discoverability and interface transparency and move them into a unix environment without losing the unix virtues in the process 在我的书中，有一个我作为案例研究使用的音频编辑器名为audacity ，我认为它是一个出色的例子，可以让您了解如何接受macintosh的发现能力和接口透明性的思想，并将它们转移到unix环境中而不会在这个过程中丧失unix的优点。
