CDMA is the English abbreviation of Code Division Multiple Access (CodeDivisionMultipleAccess). It is a brand-new and mature wireless communication technology developed on spread spectrum communication technology, a branch of digital technology. The principle of CDMA technology is based on spread spectrum technology, that is, the information data with a certain signal bandwidth to be transmitted is modulated by a high-speed pseudo-random code with a bandwidth much larger than the signal bandwidth, so that the bandwidth of the original data signal is expanded, then modulated by the carrier wave and sent out.Reporters saw in the Clean Incineration Center of Chaoyang Circular Economy Industrial Park in Beijing that garbage trucks had been delivering domestic garbage all morning. Two hills had been piled up in the 35,000 cubic meters of garbage pool. Above the garbage pool, express packages such as plastic bags and woven bags mixed in the garbage pool could be clearly seen. However, these mixed plastic express packages not only increase the amount of garbage disposal, but also increase the cost of garbage disposal.林聪听话地点了点头，云影便伺候她吃了药睡下了。长篇小说《戴着面具跳舞》描写了一段互联网时代的典型爱情，表现了都市现实中的情感迷茫，揭示了现代科技背后的信任危机。电视剧《戴着面具跳舞》则是中国首部以整容为题材的情感悬疑类作品。苏岸叹道：若是俊哥在此就好了，他一定更有经验一些。MDT needs to have a clear MDT lead and MDT meeting chairman. If the chairman of MDT meeting is absent for some reason, the vice-chairman of the meeting may replace him. The MDT leader and the MDT meeting chairman are not necessarily the same person.