在移动通信中，干扰和衰落可能造成信号的失真和误码，解决的方法一般包含()、()、均衡技术、分集技术、联合检测技术等
调制技术、信道编码
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Indeed,itisarguablethatbodyshatteringistheverypointoffootball,askillingandmaiming___.
Nancywassurprisedthattheyhave（），Theyseemedtobeahappycouple.
Onereasonwhycollegesincreasetuitionandfeesisthatthestatesupportisshrinking.
Wecanhear（）fromthebackoftheroom.
Although____Spanish，heattendedthecourse.
