A stateful, or conversational, exchange between services occurs when the service provider retains knowledge of data that has been exchanged between the service consumer and the service provider during preceding operation invocations. 当服务提供者保留关于在之前的操作调用期间服务使用者和服务提供者之间交换的数据的信息时,则服务之间进行的是有状态(或对话型)交换。
The conversational operation is taken in this system, which has widespread instructional significance on the control of the temperature-induced crack. 该系统可以采用对话式操作,对大体积混凝土温度裂缝的控制具有广泛的指导意义。