Dongting Lake area is a typical fragile lake - land ecotone.洞庭湖区是典型的水陆生态交错脆弱带,也是全球重要湿地之一.Computer simulation of water movement and heat transfer in groundwater - soil - vegetation - atmosphere continuum at oasis - desert...
This may help to maintain the gains you've made and to prevent backsliding.这或许有助于保持你所取得的进展,防止倒退。This means that the system only improves, always notching forward, never backsliding.这意味着系统只能够被改进, 总是向前的, 从不会倒退.And the...