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Practical purposes: College students' popular science activities in rural areas, go deep into the countryside to carry out investigation activities such as environmental sanitation status investigation, villagers' attitude investigation towards the new rural cooperative medical system, popular science knowledge investigation, etc., to publicize scientific planting knowledge and improve environmental protection awareness. At the same time, let college students really go out of the school gate, contact with the society, understand the national conditions, increase their knowledge and get exercise in practice, put the knowledge learned in the school into practice, increase social experience, so as to better participate in public health work in the future.1. Enter the download interface of the official website to find the JDK file that matches your computer, as shown in the figure (Note:锦绣，河山原本两个不可能再相见的初恋情人，却因为张锦绣回乡探望病重母亲，再次交集了。张锦绣怕子欲养而亲不待，更被黄河山对家乡的责任所感动，果断做出了留乡创业的决定。家人的反对，视她为情敌的郝美丽暗中捣乱，村长妹夫的讨好利用，与黄河山的误会也层出不断。但张锦绣坚信，不忘初心，方得始终。随着张锦绣的清洁能源产业在村里不断壮大，两人却发现物质生活提高了的村民，却存在着赌博、物质攀比等陋习，这让他们看着扎心。于是两人冰释前嫌，在村里共同创办农家书屋，环湖比赛等。让村民的生活，更加丰富精彩，自信。张锦绣的母亲也因为有了女儿的陪伴，原本还有两个月的生命，却延续了几年安详幸福地走了。丈夫倪洪涛也理解了张锦绣的付出，愿意定居在这看得见山望得见水的乡村。　　「任時光匆匆流去，我只在乎你…」　　与此同时，富二代金鹏在父亲的催促下，结束了自己混吃等死的“留学生涯”，回到国内，本以为会进入家族企业任职，却没有通过父亲测试，成为一名待业青年。百无聊赖金鹏开始关注国内的直播行业。正巧金鹏注意到了正在直播的安可，安可对砸礼物的金鹏没有多么热情，使从没受到过冷落的富家子弟金鹏产生了兴趣，上演一段爱恨纠葛、惊险刺激、啼笑皆非的青春故事。Industry 4.0 proposed by Germany has three major themes: first, intelligent factories, focusing on intelligent production systems and processes, and the realization of networked distributed production facilities; The second is intelligent production, which mainly involves the production logistics management of the whole enterprise, human-computer interaction and the application of 3D technology in the industrial production process. The third is intelligent logistics, which integrates logistics resources mainly through the Internet, the Internet of Things and the Internet of Services to give full play to the efficiency of existing logistics resources.