With the popularity of the network and the popularity of computer office, the network to bring a lot of convenience, the traditional work in the network environment has undergone great changes, more and more people to join the ranks of freelancers. So freelancer system came into being, which is...

In the case of coal mine accidents, in order to ensure timely rescue of the suffering people in a complex environment of underground localization, focusing on Received Signal Strength Indicator (RSSI) in underground personnel positioning accuracy is low and the problem of dynamic tracing...

As society progresses with computer technology, the rapid development of network technology, data, and information technology has become the development trend in today's society. How to improve college employment rate and improve their own competitiveness is a problem faced by many universities....