The active drive principle of dot pattern LCD was discussed.

介绍了点阵型液晶模块的动态驱动原理。

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We must carry on an active publicity drive to get birth rate under control.

我们必须进行积极的宣传工作以控制生育。

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We must carry on an active publicity drive to get birth rate under control.

我们必须进行积极的宣传工作以控制生育。

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