VMware and PowerVM have similar attributes and share a commonality of what they do and even overlap on some workloads in the middle layer of an infrastructure.
VMware和PowerVM具有相似的性质和一些共同的功能，甚至在基础结构的中间层会产生一些相同的工作负载。
On the domain layer, though, you often need more than just attributes, and Code Contracts are an ideal replacement.
域层，不过，您经常需要不仅仅是属性，和代码合同是理想的替代品。
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