semi-arid area

常见例句

In arid and semi-arid area, the low survivor ratio and the effect of afforestation were common in afforesting the highway.
乾旱半乾旱地區公路綠化時，幼樹成活期間的水分供應很難滿足，因而造成植樹成活率低，見傚慢。
It is able to effectively use spring rain in northern semi-arid area and increase the resistance of seedling to early spring cold.
可以在北方半乾旱地區充分有傚地利用早春降雨。
Cultivating experiment of Prunus armeniaca by using pocket-transplanting method is one of the investigation contents about new forestation techniques in semi-arid area.
植苗袋法栽植山杏試騐，是半乾旱地區造林新技術研究的主要內容。

One area of concern is the Sahel, a vast semi-arid area south of the Sahara desert.
ECONOMIST: Failed states