标题: AA 新增的一道题, 帮忙讲解一下思路吧~~ [打印本页] 作者: spoiledgirl 时间: 2010-1-7 19:32 标题: AA 新增的一道题, 帮忙讲解一下思路吧~~ the following appeared in a daily newspaper:
"the computerized onboard warning system that will be installed in commercial airliners will virtually solve the problem of midair plane collisions. One plane's warning system can receive signals from another's transponder-a radio set that signals a plane's course-in order to determine the likelihood of a collision and recommend evasion action"