Handlers for those events might, in turn, trigger another service or process — or trigger the creation of one or more derived events.
这些事件的处理程序可能会反过来触发其他服务或流程——或触发一个或多个派生事件的创建。
The purpose of a calculation component is to take one or more values as an input and to produce one or more derived values as output.
计算组件(calculation component)的功能是输入一个或多个值后能够生成一个或多个派生值作为输出。
That's what interface inheritance means; if you fulfill the contract of the more derived type then you are required to also fulfill the contract of the less derived type.
接口继承就是这样的;如果你要满足派生程度较高的类型的契约的话,你就必须要满足派生程度较低的类型。
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