这仅仅包含了三种活动，如果要算上其他的数字媒体活动的话，这个估计时长无疑会增加。
That covers just three activities, and if other digital media activities were included, that estimate would no doubt rise.
充分利用SPCE061A的语音特性，不仅具有红绿灯显示、倒计时功能，还能对红绿灯的转换进行语音提示，并能够根据路口需要设置红、绿灯的倒计时时长。
The system not only have some functions such as light showing and countdowning, but also have a function of speech hinting because the speech characteristic of SPCE061A.
充分利用SPCE061A的语音特性，不仅具有红绿灯显示、倒计时功能，还能对红绿灯的转换进行语音提示，并能够根据路口需要设置红、绿灯的倒计时时长。
The system not only have some functions such as light showing and countdowning, but also have a function of speech hinting because the speech characteristic of SPCE061A.
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