The sketch of the mathematical modeling for the calcalation of the distance covered by an airline is discribed . some comments to the answer paper for the problem c of 2000 china undergraduate mcm are given 本文对飞机航线飞行距离计算的数学模型进行了概述，并对2000年全国大学生数学建模竞赛的c题答卷进行了评述
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Abstract : by establishing the mathematical model about & quot; the explor ation of hollow holes & quot; and sowing it , and with the fruit of having taken part i n the national competition mathematical modeling by college students since 1996 , the p aper deals with the establishment of mathematical model is the best way to cult ivate talents with quality of applied mathematics 文摘:通过“空洞探测”问题数学模型的建立和求解，以及从1996年起参加全国大学生数学建模竞赛所取得的成效，说明了数学建模是培养应用性人才所具备的数学素质的最佳途径之一。
