摘要：有一次，汽车对马说：“明天我要和你赛跑．到时你别不来啊!”
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Science China Mathematics Numerical Mathematics Acta Mathematica Scientia Acta Mathematicae Applicatae Sinica Applied Mathematics and Mechanics Chinese Annals of Mathematics,Series B Chinese Annals of Mathematics Series B Journal of Thermal Science Applied Mathematics:A Journal of Chinese Universities Acta Oceanologica Sinica 海军航空大学学报