In the local or global movement of rock mass under mining, overlying strata play a key role. The overlying strata movement is a complicated space-time process and has time-dependent feature.

上覆岩层对采动岩体活动全部或局部起决定性作用，上覆岩层运动是一个复杂的时空过程，具有时效性。

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With this handy feature, you can easily specify dependent methods, such as the login from above, which will execute before a desired method.

有了这个便利的特性，就可以轻松指定依赖方法。例如，前面所说的登录将在某个方法之前运行。

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Although live migration was an important feature for load balancing over a cluster of servers, failover built on live migration opens new applications within the cloud for HA-dependent applications.

尽管动态迁移是在服务器群集上实现负载平衡的一项重要功能，基于动态迁移构建的故障恢复在针对依赖HA的应用程序的云中打开新的应用程序。

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