通过计算机将数据发送到远端的大屏幕上，例如火车站售票信息-Through computer data sent to the remote big screen, such as railway station ticket information

构建倒排索引，这是北航大数据专业搜索引擎课的大作业构建索引部分-Construction of inverted index, this is the buaa big professional search engine data class assignments to build indexes section

Simple Open Source EtherCAT Slave ==== SOES (Simple OpenSource EtherCAT Slave Stack) is an opensource slave stack that is very easy to use and provides a small footprint. It is a good alternative to more complex stacks on the market.