2018年广西桂林电子科技大学数学专业英语考研真题B卷.doc

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2018 年广西桂林电子科技大学数学专业英语考研真题 B 卷注意：答案必须全部写在答题纸上，写在试题上无效；答案要标注题号，答题纸要填写姓名和考号，并标注页码与总页数；交卷时，将答题纸与试题一起装入试卷袋，密封签字。英译汉 1. (1) integration (2) exponential function (3) absolute value (4) the subspace spanned by S (5)x to the nth power (6) linear combination

2. Suppose f(x) is a function on a domain D such that |f(x)|>M, where M is a constant. 3. Strictly speaking, this description of the positive integers is not entirely complete because we have not explained in detail what we mean by the expressions “and so on”, or “repeated addition of 1”. 4. Let A(x,y) be a fixed point on a plane with slope m. Let P(x,y) represent any point on the plane. Then the slope determined by P and A is equal to m. 5. We can use the concepts of ordered pairs to give a new definition of functions as follows. A function is a set of ordered pairs such that for each first coordinate only one second coordinate exists. The domain of a function is the set of all first coordinates. The range of a function is the set of all second coordinates. 6. Harmonic functions-the solutions of Laplace’s equation-play a crucial role in many areas of mathematics, physics, and engineering. But learning about them is not always easy. At times each of the authors has agreed with Lord Kelvin

and Peter Tail, who wrote There can be but one opinion as to the beauty and utility of this analysis of Laplace; but the manner in which it has been hitherto presented has seemed repulsive to the ablest mathematicians, and difficult to ordinary mathematical students.

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2018年广西桂林电子科技大学数学专业英语考研真题B卷.doc

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