择伐 meaning in Chinese
[林学] selective cutting [felling]
◇择伐更新 regeneration under selection system
Examples
- The winter choice all cuts down the artificial regeneration mark to be higher than the selective felling artificial regeneration mark place
冬季选择皆伐人工更新迹地高于择伐人工更新迹地。 - Effects of selective cutting of different intensities on the tree layer structure and species diversity of evergreen broadleaved forest
择伐作业对常绿阔叶林乔木层树种结构及物种多样性的影响 - And all cuts down the artificial regeneration mark in the selective felling artificial regeneration center , summer the panda choice selective felling artificial regeneration mark place ratio is higher than all cuts down the artificial regeneration mark place
在择伐人工更新和皆伐人工更新迹地中，夏季大熊猫选择择伐人工更新迹地的比率高于皆伐人工更新迹地。 - With consideration of the damage to forest soil , production costs , damage to residual stands , the model of optimal selective cutting was set up to find the harvesting policy which would maximize the expected net financial returns and minimize damage to forest soil
以最大净收益与对林地破坏最小为目标,综合考虑了采伐作业对林地破坏、林木损伤、生产成本等因素,建立常绿阔叶林最优择伐模型。 - By observing pinus khasya infected by bursaphelenchus xylophilus from the december to next january , the main appearance characters were summarized , and the main difference between pinus khasya and the other kind of the disease pines was find , and the appearance determinant standard and disposal suggestion in the selective cutting of the disease wood were brought forward
摘要通过观察思茅松在12月至翌年1月感染松材线虫病的外部特征，得出思茅松感病后的主要外部特征和区别于其他松树的感病特点，并提出择伐感病思茅松时在外观特征上的判定标准和处理建议。