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2009 HiMCM B:Tsunami ("Wipe Out!")
Recent events have reminded us about the devastating effects of distant or underwater earthquakes...
2015 HiMCM A:Preventing Road Rage
Have you ever been traveling down a highway when you see one or both of these signs?In some cases...
“FAST”主动反射面的形状调节
(全国竞赛2021年A题) 中国天眼——500 米口径球面射电望远镜（Five-hundred-meter Aperture Spherical radio Telescope，简称 FAST...
校园供水系统智能管理
(全国竞赛2020年E题) 校园供水系统是校园公用设施的重要组成部分，学校为了保障校园供水系统的正常运行需要投入大量的人力、物力和财力。随着科学技术的发展，校园内已经普遍使用了智能水表，从而可...
接触式轮廓仪的自动标注
(全国竞赛2020年D题) 轮廓仪是一种两坐标测量仪器（见图1），它由工作平台、夹具、被测工件、探针、传感器和伺服驱动等部件组成（见图2）。 图1 某种型号的接触式轮廓仪 ...
中小微企业的信贷决策
(全国竞赛2020年C题) 在实际中，由于中小微企业规模相对较小，也缺少抵押资产，因此银行通常是依据信贷政策、企业的交易票据信息和上下游企业的影响力，向实力强、供求关系稳定的企业提供贷款，并可...
穿越沙漠
(全国竞赛2020年B题) 考虑如下的小游戏：玩家凭借一张地图，利用初始资金购买一定数量的水和食物（包括食品和其他日常用品），从起点出发，在沙漠中行走。途中会遇到不同的天气，也可在矿山、村庄补...
炉温曲线
(全国竞赛2020年A题) 在集成电路板等电子产品生产中，需要将安装有各种电子元件的印刷电路板放置在回焊炉中，通过加热，将电子元件自动焊接到电路板上。在这个生产过程中，让回焊炉的各部分保持工艺...
2015 HiMCM B:City Crime and Safety
What can we make of the massive amount of crime statistics collected in major cities? Beyond just...
2014 HiMCM B:The Next Plague?
In 2014, the world saw the infectious Ebola virus spreading in western Africa. Throughout human h...
2010 HiMCM A:Bicycle Club
Several cities in the US are starting bike share programs. Riders can pick up and drop off a bicy...
2014 HiMCM A:Unloading Commuter Trains
Trains arrive often at a central Station, the nexus for many commuter trains from suburbs of larg...
2013 HiMCM B:Bank Service Problem
The bank manager is trying to improve customer satisfaction by offering better service. Managemen...
2013 HiMCM A:Emergency Medical Response
The Emergency Service Coordinator (ESC) for a county is interested in locating the county's three...
2012 HiMCM B:How Much Gas Should I Buy This Week?
Gas prices fluctuate significantly from week to week. Consumers would like to know whether to fil...
2012 HiMCM A:American Elk
Prior to the arrival of European colonization on the North American continent, the ecological bio...
2011 HiMCM B:Search and Find
Finding lost objects is not always an easy task, even when you have knowledge of a general locati...
2011 HiMCM A:Space Shuttle Problem: No More Space Shuttles
On July 21, 2011, the 135th and final US Space Shuttle landed in Florida after its 13-day mission...
2010 HiMCM B:Curbing City Violence
A regional city has had lots of problems with gangs and violence over the years. The mayor, chief...
乙醇偶合制备 C4 烯烃
(全国竞赛2021年B题) C4 烯烃广泛应用于化工产品及医药的生产，乙醇是生产制备 C4 烯烃的原料。在制备过程中，催化剂组合（即：Co 负载量、Co/SiO2 和 HAP 装料比、乙醇浓度...