从请求者，到执行者，到验证者是一条线路。
It is a trail from the requestor, through the implementer, to the verifier.
该方法在实际公交线路中的应用情况验证了其适用性和可行性。
Finally, a case study is introduced to verify the applicability and feasibility of the method.
这些模型可以被设计者用于情境中和关键线路场景剧本中，来验证所设计设备的外形和形式。
These models should be employed by designers in context and key path scenarios to validate proposed form factors.
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