This is something that you're going to prove in statistical mechanics, and so we're not going to worry about where this comes from.

我们会在统计力学中,证明这一结论，现在不需要去,操心这一结论的由来。

麻省理工公开课 - 热力学与动力学课程节选

You'd learn about statistical mechanics, and how the atomistic concepts rationalize thermodynamics.

你会学到在统计力学中，是如何用原子论的概念,阐释热力学的。

麻省理工公开课 - 热力学与动力学课程节选

You take all the risky assets ... and you analyze them first to get their-- you have to do a statistical analysis to get their expected returns, their variances, and their covariances.

你需要对所有的风险资产进行分析,首先要得到它们的-,你必须要做一个统计分析,算出它们的预期收益率，方差，和它们的协方差。

耶鲁公开课 - 金融市场课程节选