基于劣构问题求解的综合实践活动探索(刊用稿)

1510630IRISIRISMOODLEDavidH.Jonassen2201010113(GoogleEarth)1213,,,,201010183101911457.481021GOOGLEEARTH41022745204510235FY-1DGOOGLEEARTH6Q,,3DavidH.Jonassen1IRIS..()[J].,2003,11....[J]..2006,(04).4.IRIS[EB/OL]7