中文说明：2017年校苑杯数学建模夏令营安全责任协议书
English Description：
Agreement on safety responsibility of 2017 school garden cup summer camp for mathematical modeling
Agreement on safety responsibility of 2017 school garden cup summer camp for mathematical modeling
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中文说明：2017年校苑杯数学建模夏令营安全责任协议书
English Description：
Agreement on safety responsibility of 2017 school garden cup summer camp for mathematical modeling2017校苑杯数学建模夏令营安全责任协议书.pdf