semi-arid area

常見(jiàn)例句

雙語(yǔ)例句

• In arid and semi-arid area, the low survivor ratio and the effect of afforestation were common in afforesting the highway.
  干旱半干旱地區(qū)公路綠化時(shí)，幼樹成活期間的水分供應(yīng)很難滿足，因而造成植樹成活率低，見(jiàn)效慢。
• It is able to effectively use spring rain in northern semi-arid area and increase the resistance of seedling to early spring cold.
  可以在北方半干旱地區(qū)充分有效地利用早春降雨。
• 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驗(yàn)，是半干旱地區(qū)造林新技術(shù)研究的主要內(nèi)容。

權(quán)威例句

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