To begin with, the RA issues each request with a unique request ID and does not wait for a response on the same execution call.

首先，ra用惟一的请求ID发出每个请求，不等待同一执行调用的响应。

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Incoming messages for receive nodes later in the process can then be correlated to the proper process execution based on the order ID that will be somewhere in that incoming message document.

根据输入消息文档中包含的订单id，过程中接收节点的输入消息稍后会关联到对应的过程实例上。

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