一级理论和二级理论的区别

So-called peripheral functions, such as performance statistics, logging, transaction management, etc.　　二十年前，一整车学生在她眼前消失；二十年后，她遇到的男子竟是当年的遇难者之一。雅丝翠的调查之路由此开启。　　起轩和乐梅却相爱了，以死明志。映雪终于点了头。就在成亲前两个月，起轩被一场大火烧死重伤，面目全非，还瘸了一条腿，起轩不愿让乐梅跟着他这个无用之人，让所有的人骗乐梅他已经在火灾中丧生。然而乐梅情愿嫁给他的牌位。起轩可以骗乐梅，却骗不了自己的心，他爱乐梅。他每天徘徊在乐梅的窗前，却不敢面对乐梅，就当乐梅发现了他的存在时他还骗她说自己是一个守园的老人，他认训乐梅支不久改嫁。"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.魏铜用脚踢了踢钱明：滚起来。Effect Category泥鳅娘是个温柔的小妇人，她搂着小闺女墨鲫，把些家常话来问小葱和秦淼，一路闲谈回去。