A .MS测到服务小区下行信号强度+BSPWRT-BSPWRB
B .MS测到服务小区下行信号强度+BSTXPWR-BSPWR+tch-bcch
C .MS测到服务小区下行信号强度+BSPWR-BSTXPWR
D .MS测到服务小区下行信号强度