If you are a database administrator (DBA) who's laying it all on the line for a tight SLA, you need to ensure you properly vet your HA topology and the choice of the HA solution you are using.
如果您是一位不遗余力追求严格 SLA 的数据库管理员（Database Administrator，DBA），您需要确保正确地检查您正在使用的 HA 解决方案的 HA 拓扑和选择。
2
Thee swing arm can swing automatically. best operation lineof sight, especially suitable for laying-off and cutting of true skin.
摆臂可以自动摆动，操作视线极佳，特别适用于对真皮的下料裁断。 癩。
3
In addition the paper also introduces the requirement for control type, distributing line and linelayingof emergency lighting as well.