为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

通过多年持续灯诱盟测,确定输掌舟蛾Matsumura成虫发生期:7月上中旬为始见期,8月上中旬为高峰期,9月上中旬为终见期。采用饲养观察......

The Chinese water pine Glyptostrobus pensilis is the sole surviving species of the genus Glyptostrobus. It is endemic to......