Methods: The method of quantitative research and self-designed tools was used.
方法：采用定量研究的方法和自制的工具。
The second chapter is devoted to the thesis research tools, methods and selection of research subjects.
第二章介绍了本论文的研究工具、方法及研究对象的选定。
In the study of continuous time finance market modeling, the theory and methods of stochastics have been one of important research tools.
在连续时间金融市场模型的研究中，随机理论和方法已成为重要的研究手段之一。
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