站级 meaning in English

station level

Classification of highway transfer station and installation provided for freight containers
集装箱公路中转站站级划分及设备配备
In first level , the central server can collects data from substation and control all the relevant computers and instruments . the substation computers is the second level , they can communicate with central server through pstn ( public switched telephone network ) , they also collect data from instruments of its own and control them
第一级为调度级，中心站服务器负责汇总和处理所有数据，控制所有站级工控机和现地级仪器；第二级站级工控机，通过公共电信网与中心站进行通信，响应中心站服务器，从各仪器采集数据、控制本站仪器。