1. The algorithm can deal with cyclic CDFG by the extension of variable lifetime.
通过对变量生命时间定义的扩展，本算法可以对带反馈的电路进行处理。
2. How to expand the greeting card use scope, the extension lifetime, continues maintains the greeting card service fast healthy development, becomes question which we can not but think deeply about.
如何扩大贺卡使用范围，延长使用期，继续保持贺卡业务快速健康发展，成为我们不得不思索的问题。
3. Studying about Factors of Impacts on Steel Wire Rope Service Life and Measures to Improve Lifetime Extension of Steel Wire Rope
影响起升钢丝绳使用寿命的因素及改进措施
911查询·英语单词
4. A requesting router can request an extension of the lifetimes on a delegated prefix and is required to terminate the use of a delegated prefix if the valid lifetime of the prefix expires.
请求路由器可以在申请Prefix授权时候请求带一个时间的扩展选项，当首选时间耗尽以后，那么它还可以通过这个扩展选项中的延长时间，申请对这个Prefix延长使用。