东北地区的大兴安岭、小兴安岭和长白山区，是中国最大的天然林区，到处是望不到边的红松、落叶松、黄花松等针叶林和白桦、柞树、水曲柳、杨树、榆树等阔叶林。
The Greater Hinggan, the Lesser Hinggan and the Changbai mountain ranges in the northeast are China's largest natural forest areas.
同时将这一理论应用到长白落叶松入工林木材图象的处理中。测出了木材的胞壁率，对细胞分子的边缘进行检测。
At same time, this theory was applied in wood anatomical structure image processing, to measure wood cell space ratio and check cell molecular boundary.
本文以长白落叶松扦插及扦插苗移栽试验为基础，对大量的影响因素进行了系统研究。
On the basis of experiments of the cuttage propagation and cuttings transplanting of Larix olgensis, a lot of factors which affect the cuttings have been systematically studied.
采用综合评分法对不同土质长白落松木材的有关指标进行制浆造纸性能的综合比较分析得出∶土壤为暗棕壤的长白落叶松用作造纸用材较好。
Comprehensive analysis of the relevant factors for papermaking by comprehensive evaluation method indicates that larch wood in dark brown soil is suitable for papermaking.
通过长白落叶松播种苗和移植苗分级造林成活率和生长量的比较研究，建立了苗木质量与造林效果的关系。
The relationship between seedling quality and outplanting performances was established through comparing the survival rate and the growth of seedlings and transplanted seedlings between grades.
通过长白落叶松播种苗和移植苗分级造林成活率和生长量的比较研究，建立了苗木质量与造林效果的关系。
The relationship between seedling quality and outplanting performances was established through comparing the survival rate and the growth of seedlings and transplanted seedlings between grades.
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