在CDMA1x系统中,消息()中携带可供手机选择的频点信息。
A.APM
B.SPM
C.CCLM/ECCLM
D.NLM/ENLM
参考答案:C
Look! My suit is badly out of _______. There must have been somebody sitting on it.[ ]
A. date
B. balance
C. order
D. shape
在空纸盒的侧面扎三个大小一样的孔。纸盒装满水后,水从小孔喷出,图中最接近实际情况的是( )