It comprehends the present situation of the telecontroller.

它了解了遥控器的现状。

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Secondly , it comprehends present situation of the telecontroller, thus further realizes practical significance of universal design on the telecontroller for senior citizen;

其次，从市场出发，了解电视遥控器的使用现状，从而进一步认识到老年人电视遥控器通用设计的现实意义；

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Secondly , it comprehends present situation of the telecontroller, thus further realizes practical significance of universal design on the telecontroller for senior citizen;

其次，从市场出发，了解电视遥控器的使用现状，从而进一步认识到老年人电视遥控器通用设计的现实意义；

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