The influences of the material and sealed type of ML on evaporation value are also obvious. In detail, the unsealed ML made with PVC is better for evaporation measuring in arid area of Northwest China.
ML的制作材料和是否封底对蒸发测量也有显著影响,在西北旱区,采用PVC不封底的ML较好。
参考来源 - 不同类型微型蒸发器测定土壤蒸发的田间试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The second is wide application. The model may be used other cities in arid area of northwest China.
本文是国家自然科学基金项目“西北干旱区域城市水环境极限承载力研究”的一部分。
The oasis agriculture appears the special characters due to the eco - environment characters of arid area of northwest region.
西北干旱区内陆绿洲的主要生态环境特点，导致其特殊的农业特点；
In the arid area of Northwest China, the whole ecological environment is very vulnerable, and water is an important factor for the sustainment of the oasis ecological environment.
在西北干旱地区，整个生态环境非常脆弱，而水又是维系绿洲区生态环境的重要保证。
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