There is generally a higher degree of uncertainty regarding the future benefits that may be derived. Their value is subject to wider fluctuations because it may depend to a considerable extent on competitive conditions

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An item of information to be recognized as an element (i.e. formally recorded and reported in the body of the financial statements), an item must

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从本章开始，介绍市场预测的有关内容。市场预测是在市场调查的基础上开展的，是 对未来市场的预计和估计。市场预测的类型、市场预测方法的种类都很多，将在其后各章 中加以介绍

市场现象时间序列的一种重要变动规律，就是长期趋势变动，它存在于许多市场现象之 中。对下场现象的趋势变动进行研究，是市场预测的重要任务之一。在市场预测法中，趋势 延伸市场预测法是专门用来研究市场现象趋势变动规律的一类方法。直线趋势延伸法，是研 究市场现象趋势变动的最基本的方法之一

导体：自然界中很容易导电的物质称为导体， 金属一般都是导体。 绝缘体：有的物质几乎不导电，称为绝缘体， 如橡皮、陶瓷、塑料和石英。 半导体：另有一类物质的导电特性处于导体和 绝缘体之间，称为半导体，如锗、硅、 砷化镓和一些硫化物、氧化物等

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《市场调查与预测 Marketing Research》课程教学资源（习题）第十一章 习题