SCA events can have a wire format that is not XML.
SCA事件可以有一个非XML的连线格式（wire format）。
The wire format of a message might not be very readable once it gets encoded.
消息一旦经过编码，其线格式可读性可能并不好。
Port2 provides the same service as port1 (same logical interface and wire format).
端口2提供的服务与端口1相同(相同的逻辑接口和有线格式)。
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