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随着网络技术的发展和个人计算机计算和存储能力的增强，基于P2P计算的互联网应用不断涌现。P2P(Peer-to-Peer)计算是指不同系统之间通过直接通信，实现计算机资源和服务共享、进行信息处理的计算过程。从早期的音乐文件共享，到互联网语音和视频处理，P2P计算越来越受到系统设计者和开发者的关注。请围绕“P2P计算关键技术与应用”论题，依次对以下三个方面进行论述。 通过你的切身实践论述基于P2P计算的应用之优缺点，并给出几种典型应用。
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During McDonald’s early years French fries were made from scratch every day. Russet Burbank potatoes were（1）,cut into shoestrings, and fried in its kitchens.（2）the chain expanded nationwide, in the mid-1960s, it sought to cut labour costs, reduce the number of suppliers, and（3）that its fries tasted the same at every restaurant.McDonald’s began（4）to frozen French fries in 1966 — and few customers noticed the difference.（5）the change had a profound effect on the nation’s agriculture and diet. A familiar food had been transformed into a highly processed industrial（6）.McDonald’s fries now come from huge manufacturing plants（7）can process two million pounds of potatoes a day. The expansion（8）McDonald’s and the popularity of its lowcost, massproduced fries changed the way Americans eat. The taste of McDonald’s French fries played a crucial role in the chain’s success -- fries are much more profitable than hamburgers and was（9）praised by customers, competitors, and even food critics. （10）taste does not stern from the kind of potatoes that Donald’s（11）,the technology that processes them, or the restaurant equipment that fries them: other chains use Russet Burbank, buy their French fries from the（12）large processing companies, and have similar （13）in their restaurant kitchens. The taste of a French fry is（14）determined by the cooking oil. For decades McDonald’s cooked its French fries in a mixture of about 7 per cent cottonseed oil and 93 per cent beef fat. The mixture gave the fries their unique（15）. 3（）
职业道德信念是衡量会计人员的职业道德素质高低的重要标志（）
马老师在高中任教已近30年，教学成绩突出，深受学生喜爱，曾获得过省级优秀教师等荣誉。但近年来随着多媒体教学和网络教学的普及，学校要求教学中必须使用多媒体进行教学.马老师对这种要求不以为然，校长早他谈话并要求他学习电脑、网络和多媒体知识，他却说：“我课本、粉笔加黑板照样能进过多媒体。”试运用所学习的教师职业道德知识对马老师的做法和说法进行分析。
会计职业关系包括单位内部关系和单位外部关系（）
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