Facade VM - to provide a single point of contact for a large scale system consisting of many virtual machines to view collection as a single unit.

Facade VM——为包含众多虚拟机的大型可伸缩系统提供单一的契约点，以单元的形式查看集合。

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All it takes is a single undetected case in a health facility, one infected contact fleeing the monitoring system, or one unsafe burial to ignite a flare-up of cases.

疾病流行的点燃仅仅就是卫生机构没有发现的一个病例，逃离监测系统的一位受到感染的接触者，或是一次不安全的埋葬仪式而已。

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Carry on single and contact system function test to liquid-solid hydrocyclone, in order to improve the structure of sand storehouse of three-phase hydrocyclone.

对液固分离水力旋流器进行单体及串联系统的性能测试，以有效的进行三相分离水力旋流器的砂库结构的改进；

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