This paper presented a mathematical model with the main controlling parameters of the main points of knowledge, coefficient of difficulty and the structure of test question.

以考查点、难度系数和题型为主要控制参数建立了组卷问题的数学模型，并给出了用遗传算法解决组卷问题的新方法。

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There are two main points, one, piano playing skills, abilities and knowledge of the piano.

其要点有两点，一是钢琴演奏的技术水平、能力和钢琴知识。

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Part one introduces the content and some background knowledge of the novel and the main points which will be illustrated in this paper.

本文共分五大部分，第一部分简介小说内容、相关背景及本文将要阐明的主要论点。

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When you are entering a media interview, it is sometimes helpful to think of deleting your entire database of knowledge, except for your three main message points.

FORBES: Delete Your Database Of Knowledge -Media Training