This is so powerful because WCF and WF are really two sides of the same coin: WCF is the interface and hosting environment for the service, while WF implements its processing logic.
这一功能非常强大，因为WCF和WF实际上就是一块硬币的两面：WCF是服务的接口和宿主环境，而WF则实现它的处理逻辑。
Automatic commemorative coin vending machine for demonstration purpose has been designed and trial produced, and novel processing and automatic vending functions realized.
设计并试制出可用于展示型自动纪念币售货机设备，实现新颖的加工和自动售货功能。
Automatic commemorative coin vending machine for demonstration purpose has been designed and trial produced, and novel processing and automatic vending functions realized.
设计并试制出可用于展示型自动纪念币售货机设备，实现新颖的加工和自动售货功能。
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