【判断题】匹配滤波器和相关接收法完全等效,都是最佳接收方法。
【单选题】听力原文: An election year is one in which all four numbers are evenly divided by four (1944, 1940, etc. ),. Since 1840, American presidents elected in years ending in zero have been destined to die in of...
【判断题】露天开采时油砂沥青的采收率小于钻井开采时的采收率
【单选题】听力原文: An election year is one in which all four numbers are evenly divided by four (1944, 1940, etc. ). Since 1840, American presidents elected in years ending in zero have been destined to die in off...
【判断题】机会成本(置存成本):企业置存现金而丧失的将这些资金投资于证券可得到的投资收益,此项成本与有价证券收益率有关也与置存现金的平均余额有关