高等数学许多概念抽象晦涩，如选用恰当的引例，在教学中可起到良好的铺垫作用，使学生易于接受新知识，并提高认识水平。
Chousing proper examples will lead to good bedding effect, it will be easy for the students to accept new knowledge and to raise their level of understanding.
高等数学许多概念抽象晦涩，如选用恰当的引例，在教学中可起到良好的铺垫作用，使学生易于接受新知识，并提高认识水平。
Chousing proper examples will lead to good bedding effect, it will be easy for the students to accept new knowledge and to raise their level of understanding.
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