arid tract是什么意思 arid tract怎么读
arid tract的用法和样例
- The irrigation projects are closely related to agriculture in arid oases.
干旱区绿洲灌溉水利工程与农业发展有着极为密切的关系。 - The paper proposed a research method considering EWR of the river corridor as EWR of the natural oasis and thus developed an EWR model for arid areas.
提出了以河流廊道的生态需水作为天然绿洲生态需水的研究方法，以此建立了干旱区生态需水模型。
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