Tencent's QQ Tests New Social Interaction Function for Close Friends

#QQ: A few of our favorite things qq a Three charges −q,Q and −q are placed at equal distances on a straight line If the total potential energy of the system of three charges is zero, then the ratio qq101 Download the APK of QQ for Android for free China's most popular social network, now on your Android! QQ is the official app of China's most popular

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