树上的树枝快掉下来了，正常人的反应是赶紧躲开，立即通知相关部门。但在工科男的世界里，你永远不知道下一秒是什么。

树上的树枝快掉下来了,Normal reaction is to escape,Inform related departments immediately.But in the engineering guy in the world,You never know what is a second.

　　3月11日，网友“拖孩十号”在微博上发布了一张树冠照片，用醒目的颜色圈出其中一根大树枝已经断裂，挂在其他树枝上，随时可能会掉下来。“拖孩十号”在微博中一本正经地写道：“假设此树枝被风吹落正好砸在路人头上且缓冲时间t=0.1s，根据gt2HV2=2gH，Ft=mv，P=F／S，此人头部压强P=667kpa，估计会很疼的，望学校能尽快消除这一隐患”。

3月11日,Net friend"Drag the child 10"On weibo posted a photo canopy,With marked the color of the circle has one bough breaks,On the other branches,May fall down at any time."Drag the child 10"Solemnly wrote in weibo:"Assuming the branches fell right on pedestrian head winds and buffer time t = 0.1 s,According to the gt2HV2 = 2 gh,Ft = mv,P = F/S,This person the head pressure P = 667 kpa,Estimates will be very pain,Hope school can eliminate the hidden trouble as soon as possible".

　　这条微博引起了一大群网友的感叹：“太牛了！”经记者查询，“拖孩十号”是重庆大学土木工程学院建筑工程专业学生。重庆大学党委副书记肖铁岩对此表示，这处隐患已经被学校保卫处清除。他还笑称“这是工科男理论联系实际、学以致用的典型案例之一”。 据《重庆商报》

这条微博引起了一大群Net friend的感叹:"Too cattle!"The reporter query,"Drag the child 10"Is institute of chongqing university of civil engineering construction engineering students.Chongqing university, deputy party secretary XiaoTieYan expressed,This person place hidden trouble has been the school security clearance.He also laughs"This is engineering theory with practice/One of the typical cases of their major". According to the[Chongqing commercial daily]