Usually some hypothesis is a necessary preliminary to the collection of facts, since the selection of facts demands some way of determining relevance.

通常，有某种的假说是收集事实的必要先决条件，因为在对事实的选择上，要求有某种方法确定事实是否与题有关。

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This paper makes a preliminary research on the efficient market hypothesis and the random walk hypothesis related as well as its implications for corporate finance.

本文主要就有效市场假设及与有效市场假设有联系的随机游动假设，以及有效市场假设对公司财务的意义作一初步探讨。

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Part Three describes the rationale adopted for guidance of this study. Part Four deals with the hypothesis, the instrument, the subjects, and the preliminary statistical data.

第四部分主要论述了实验研究的假设、实验工具、实验班和控制班的状况、实验数据的初步统计等方面的内容。

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