National Astronomical Observatories;
Chinese Academy of Sciences;
Beijing 100101;
China;
School of Astronomy and Space Science;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
International Centre for Radio Astronomy Research(ICRAR);
The University of Western Australia;
35 Stirling Hwy;
Crawley;
WA;
6009;
Australia;
Department of Astronomy;
Peking University;
Beijing 100871;
China;
method; data analysis-radio lines; galaxies-galaxies; evolution;