Thus the mapping from the abstract messages in the WSDL to the concrete requests and responses on the wire is completely unambigous with literal usage.
因此，有了文字使用，在 WSDL 中从抽象消息映射到连接上具体的请求和响应是完全明确的。
Two-way feature mapping centers on product general model. The mapping process is from general feature to abstract application feature and to concrete application feature .
以产品全局特征模型为中心的映射模型将映射过程分解成，从全局特征到领域抽象特征再到领域具体特征的三个层次进行。
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