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China's manufacturing industry has developed rapidly. By 2010, the proportion of manufacturing output in the world will surpass that of the United States, becoming the largest manufacturing country. At present, among more than 500 major industrial products, China has more than 220 output ranking first in the world. Even so, the added value of China's manufacturing industry is low and large but not strong. Especially with the loss of China's demographic dividend, thePoland 6.3 million million 7.3 millionThe above configuration process takes only one time, and then you can happily use the service iptables save command to save iptables rules in centos7.It should be noted that: 1. Attackers often choose systems based on UDP protocol, because UDP protocol is unreliable and can forge source IP; 2. Attackers often choose services whose response packets are larger than the request packets. Based on this, the services that are generally attacked include DNS service, Memcached service, etc.? Why is the United States so afraid of "Made in China 2025"? What is the connection and difference between "Made in China 2025" and the industrial Internet proposed by the United States and Industrial 4.0 proposed by Germany?Https://www.cnblogs.com/zhouyu2017/p/6485265.htmlAlso, you can register multiple delegates for an event with + =.