联合办刊是科技期刊走出困境的重要途径--以《灾害学》杂志为例
연합판간시과기기간주출곤경적중요도경--이《재해학》잡지위례
Jointly Running Magazine as an Important Way to Extricate a Scientific and Technological Journal from Predicament--Taking the Journal of Catastrophology as an Example