The accessories of the flexible bar are recyclable. When t eh life cycle of a product or a working procedure comes to the end, you can redesign the original accessories to satisfy new demands.
线棒产品的配件是可重复循环使用的，当一个产品或者一道工序的生命周期结束时，可重新设计线棒产品的结构，用原有的配件从新组装去适应新的要求。
Bug track system is an important test management tool; it is applied to the whole software development life cycle. Various roles and complex procedure are characteristics of bug track process.
缺陷跟踪系统是一种重要的测试管理工具，它贯穿于整个软件开发的生命周期，具有涉及角色多，处理流程复杂等特点。
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