常见例句雙語例句Objectives:To acquire sterilization material for rare endangered plant Betula halophila in Xinjiang and enhance the rate of survival after transplant.目的：探討獲得鹽樺無菌材料的最適滅菌方法和提高移栽定植成活率的關鍵性技術要點。 返回 betula halophila