G318线天全段处于深切峡谷区,在“4·20”芦山地震中共发生26处崩塌.该段崩塌仅有2处为地震中新增点,其余24处均为原崩塌点在......

A Vaisala CARBOCAP Hand-Held Carbon Dioxide Meter GM70 was used to measure CO 2 concentration in Tianquan cave of Xingwe......

18世纪上半叶,在两位巴黎外方传教会神父白日昇和李安德的法文书信和拉丁文日记中,留下了一些关于四川土司的记载。他们笔下所呈现......