所学专业是应用数学，主要教授《微积分》、《线性代数》、《概率论与数理统计》课程。

I have been teaching courses such as Calculus, Linear Algebra, and Probability and Mathematical Statistics in the institute for more than twenty years.

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文章介绍作者在《概率论与数理统计》教学方面进行教学改革的背景、思想、方法和所要采取的措施。

This paper introduces the background, thinking, methods and measures to be adopted in the teaching reform on "Probability and Mathematical Statistics".

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并提出解决问题的三种具体措施，从概率论与数理统计的角度，对关键线路和关键工作进行了重新定义和确定的方法。

According to the viewpoints of the probability and mathematical statistics, critical duration, critical activity and critical line are re - defined, and particular method is put forward for it.

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