5月11日中午，由南开大学科技学术类社团发起的横幅签名活动在三食堂前展开。
At noon on May 5th, the activity of signature on the banner was held by Nankai University Science and Technology Society in front of the third dinning hall.
5月11日中午，由南开大学科技学术类社团发起的横幅签名活动在三食堂前展开。
At noon on May 5th, the activity of signature on the banner was held by Nankai University Science and Technology Society in front of the third dinning hall.
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