A use case is neither a class specification nor a data specification.
用例既不是类规范,也不是数据规范。
All technical data, specification and performance figures subject to change without notice.
所有的技术数据,规格和性能的数字,如有变更恕不另行通知。
All technical data, specification and performance figures subject to change without notice.
所有的技术数据,规格和性能的数字,如有变更恕不另行通知。
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