左图:1月8日。一群在Nawzad区的阿富汗男人和儿童。
Left: Agroup of Afghan men and children in Nawzad district, on Jan. 8.
在某一区域内自然生长的一群生物。
A group of living organisms that naturally occurs in a certain area.
研究区洞群洞腔发育受区域构造裂隙的控制,与地下水文网的关系密切;
The development of the caves is in close connection with underground drainage network;
研究区洞群洞腔发育受区域构造裂隙的控制,与地下水文网的关系密切;
The development of the caves is in close connection with underground drainage network;
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