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根据雪松的生物学和生态学特性，抓住高寒地区影响雪松生长发育的主要因素，采取相应的技术措施，是雪松引种成功的关键。
According to the biological and ecological characteristics of cedar, it is crucial to grasp the main factors affecting the growth and development of cedar in the alpine region and take the corresponding technical measures.