A, TVOC TVOC Introduction to explore science and technology (Tanso Tech) introduced a new generation of the only CATI LINUX-based operating platform, which provides data analysis tools with the internationally accepted statistical analysis package SPSS fully compatible with good open, flexible and scalability, is the most advanced hardware and software integration of the new generation of innovative products. Mainly used in a variety of quick phone monitoring, media viewing (listening) rate surveys, opinion polls, special data acquisition. And in September 2000 received the Department of Hunan Province High-tech high-tech product certification (Xiangke Kam [2000] No. 109), is a mature platform for professional use. Will greatly enhance the accuracy and reliability of collected data, allow.. (more>>)