如果这些请求数据在该请求消息的SOAP消息头部分中传送，那么用户就可以调用这个显式消息头。

If some of the request data is transferred in the SOAP header part of the request message, you can call this an explicit header.

youdao

一旦用户创建了消息，消息就不应在传送到目的地的途中被修改。

Once the message is created by the user, it should not get modified on its way to the destination.

youdao

终端用户的密码不在HTTP消息头中传送。

The end user password is not passed in the HTTP header.

youdao