uneven-aged
- uneven-aged的基本解释
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[医]异龄的
- 相关中文词汇
- 异龄的
- 更多网络例句与uneven-aged相关的网络例句 [注:此内容来源于网络,仅供参考]
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The results are as follows:① The population structure of Picea schrenkiana-Dryopteris filix-mas pure stands is stable, the patterns of age, diameter and the height of Picea schrenkiana-Dryopteris filix-mas pure stands are all in inverse J-shaped curves, indicating a typical uneven-aged stand structure.
以西天山国家自然保护区内1 hm^2原始鳞毛蕨(Dryopteris filix-mas)天山云杉纯林临时标准地调查材料为基础,分析鳞毛蕨天山云杉林胸径、树高和年龄结构、种群存活曲线以及基本测树因子之间的相互关系。
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Control method were applied to natural mixed uneven-aged stands at the first time in China, and its inventory method were improved.
本研究将检查法应用于我国天然针阔混交林经营,并对调查方法加以改进。
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that: uneven-aged, double layer and mixed structure were the key elements of forest structure.
目前,北京山区天然林结构多为异龄、复层和混交,而人工林多数是同龄、单层和纯林。
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This research not only provided management technology and method for the mixed uneven-aged stands of coniferous and broad-leaved trees in Changbai mountains, also it have important referring value on the mixed uneven-aged stands management in other area.
本研究不仅为长白山地区云冷杉针阔混交林的经营利用提供了方法技术,而且对其他林区的针阔混交林经营也有着重要的参考价值和借鉴意义。
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The confirmation method of mature level in uneven-aged forest is an insoluble problem both in forestry theory and forestry production at present.
以林木经济成熟径级确定为例,通过径级价值量被其径级材积除的模式转换办法,解析异龄林林木成熟的确定方法,进而为改善林业生产中异龄林采伐的盲目性提供依据。
- 加载更多网络例句 (10)
- 更多网络解释与uneven-aged相关的网络解释 [注:此内容来源于网络,仅供参考]
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uneven-aged forest:异龄林
understocked立木度不足的 | uneven-aged forest异龄林 | uniform flow均匀流;等速流
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uneven-aged stand:异龄林
过熟林分;老龄过熟林分(木) overmature stand | 异龄林 uneven-aged stand | 不规则林;不整齐林 irregular stand
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uneven-aged stand:异龄林分
异龄林 Uneven-aged forest | 异龄林分 Uneven-aged stand | 同Uneven-aged forest Uneven-aged wood
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Uneven-aged forest Uneven-aged wood:同
异龄林分 Uneven-aged stand | 同Uneven-aged forest Uneven-aged wood | 圆材 Unhewn timber