There are two ways to renew a lease : a client can call 有两种续订租约的方式:客户端可以直接调用
2.
Renews a lease for the specified time 将租约续订指定的时间。
3.
How to : renew a lease >如何:续订租约
4.
Time span , it is removed from the list and the next sponsor on the list is called . using a sponsor to renew a lease 时间范围内不响应,则会将其从列表中移除并调用列表中的下一个主办方。