SDLC

例句：

1. 1. The software development life cycle is a critical process in the software development process.
   软件开发生命周期是软件开发过程中的关键过程。
2. 2. The project team followed the standard development life cycle to ensure quality and efficiency.
   项目团队遵循标准开发生命周期以确保质量和效率。
3. 3. The SDLC includes several stages such as planning, design, implementation, testing, and maintenance.
   标准开发流程包括规划、设计、实施、测试和维护等多个阶段。