With the Chinas long-term planning and development strategy for energy and related support policies for sustainable ener......

建立冷站各设备的数学模型,搭建区域冷站供冷系统仿真平台,通过与实测数据对比,验证了仿真平台的可靠性。利用仿真平台分析了冷站......

It is of great significance to cultivate students' interest in learning to improve the quality of English teaching i......

当前移动用户数据业务呈现高速增长，GSM对比LTE频谱效率低，已不能满足用户高速数据需求，考虑到GSM网络利用率逐年下降，而将GSM部分频段......