利用计算代数几何工具，研究了平面截口的隐式代数曲面的光滑拼接问题。

Studed the blending of implicit algebraic surfaces with the intersections on planes by using algebraic geometry.

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哈克认为，这样的课程可以弥补成年人在数字方面的盲点，这些人已经完成了像代数这样的高级数学，但却无法按面积计算出一块地毯的价格。

Such courses, Hacker argues, are a remedy for the numerical illiteracy of adults who have completed high-level math like algebra but are unable to calculate the price of a carpet by area.

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哈克认为，这样的课程可以弥补成年人在数字方面的盲点，这些人虽然已经学习了像代数这样的高等数学，但却无法按面积计算出一块地毯的价格。

Such courses, Hacker argues, are a remedy for the numerical illiteracy of adults who have completed high-level math like algebra but are unable to calculate the price of, say, a carpet by area.

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Now, we get to draw some lessons out of this thing, so everybody who's feeling a little bit shell shocked from having been doing algebra and calculus and drawing pictures and feeling like they've been cheated into taking a class that looks far too much like economics, calm down we're going to actually talk right now.

下面我们从中总结点经验出来,那些因为代数和微积分计算还有绘图,而感到十分不爽的同学,你们是不是感觉被我忽悠了,才会选这门一点都不像经济学的课啊,稍安勿躁,我们马上切入正题

耶鲁公开课 - 博弈论课程节选

Now, unlike high school math or in algebra Z where you call things X and Y and Z, in programming, in computer science, you're actually dealing with humans where it's useful to have a variable name that's more descriptive than X and Y and Z.

不像高中数学或者代数中,称为X和Y和，在程序设计和计算机科学里，你实际上是在和人打交道,在这里有个描述性比xyz更强的,变量名称是很重要的。

哈佛公开课 - 计算机科学课程节选