system life cycle

例句：

1. 1.The development of the new system is crucialfor its long-term success.
   新系统的开发对于其长期成功至关重要。
2. 2. The company's system life cycle management practices haveimproved efficiency significantly.
   公司的系统生命周期管理实践显著提高了效率。
3. 3. The research on the systemlife cycle has provided valuable insights into theoptimization of resource allocation.
   对系统生命周期的研究为优化资源配置提供了宝贵的见解。