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"I remember we had a very clear division of tactics at that time, First, adjust all the automatic rifles in hand to semi-automatic shooting mode, Of the 15 men, apart from the gunners and the bazookas, Most of the others use '81 bars', There are also a small number of 63 types, I'm using the 63, One of the characteristics of this gun and the 81-bar is that the single shot accuracy is especially good, Even better than '56 and a half', Much better than 56 Chong and some Mao Zi guns captured from the Vietnamese, At that time, in order to give full play to this advantage in precision, The company commander ordered us to use this tactic, The concrete implementation is to use heavy machine guns to suppress fire in hidden places, In addition to killing as many enemies as possible, If the enemy takes tactical actions such as lying down to avoid shooting, Then use machine gun fire to limit its movement range, That is to say, they are suppressed in situ, and then rifles are used to give full play to the advantage of high semi-automatic shooting accuracy, giving them "roll call" one shot at a time. This tactic is still very effective in dealing with the first and second large-scale attacks, with extremely high efficiency, and almost all the Vietnamese troops who came up were killed on the way to attack.Industrial Internet mainly brings about the following trend changes: First, intelligence, which uses big data to analyze the needs of different customer groups, carries out intelligent industrial production, and produces intelligent products that can carry information, sense environment and self-detection; The second is flexibility, which not only controls the production cost in the form of mass production, but also meets the needs of users in the form of personalized products. The third is greening. Industrial Internet provides a new path choice for the development of green economy, circular economy and intensive economy.Compared with 618 last year, in just four days from June 16 to 20 this year, the sales volume of 116 Tmall smart stores in Osaka Weaving House tripled, the unit price of customers increased from 184 yuan to 310 yuan, and the number of customers increased 168%.35岁的依兰经营着一家美容院，23岁的小米是依兰店里的新手美容师。在秘密花园的营业时间里，依兰和小米遇到了3位不同的女性顾客，年龄不同，遭遇不同，困境不同，在依兰和小米的帮助下，完成了不同的成长，重拾新的人生。Article 12 Sailing BoatsPractical 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. Projection and shadow setting method of objects