Studies reveal the most costly aspects of softwaredevelopmentandmaintenance: change analysis, design, and testing.
研究表明，以下方面是软件开发和维护中开销最大的方面：变更分析、设计和测试。
2
The first wave of offshore outsourcing was in computer programming, sending softwaredevelopmentandmaintenance abroad, mainly to India.
首先出现的计算机程序跨国外包浪潮将软件开发及维护工作转移到国外（主要是印度）。
3
The system adopts system model-building mode and the MVC mode for development to separate the video diagram, control and model so as to facilitate softwaredevelopmentandmaintenance.