软件相当于数字标牌系统的‘大脑’，它包含内容管理、调度和分配的功能。

Software provides the 'brain' of a digital signage system, including the management, scheduling and distribution of content.

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数字标牌的很多功能基本上都是静态标识已经实现了的，它只是带有动态显示而已。

Ultimately, digital signage does a lot of the same things static signage does, just with dynamic movement.

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标牌告示语是一种社会性标志语，它通过使用特定的施为性动词来体现其特有的指令、警示和劝告等社会功能。

Placards are social signs that have the social functions of giving directions, warning or advice with certain performative verbs.

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