简介:Thesemightyfallsareoneofthegreatnaturalwondersoftheworldalthoughtheyarenot,infact,nearlythehighestintheworld-theKaieteurFalls,forinstance,inBritishGuianabeingfivetimesashigh.TheyarepartlyinCanadaandpartlyintheUnitedStates,astheboundarybetweenthetwocountriesfollowstheRiverNiagara.ThisflowsfromLakeErieintoLakeOntario,andinitscourse
简介:本文从介绍Niagara应用框架出发,详细阐述了在暖通空调自控教学领域应用Niagara框架搭建的一个模拟演示实验系统。