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- Pinus yunnanensis wood 云南松木材
- The tong-term tune bests of Pinus yunnanensis management lead to bio-diversity decrease, diseases and insect pests damage, genetic degradation, and productivity decline. 摘要长期以来，云南松的纯林经营使得生物多样性降低、林分稳定性变差、遗传品质退化、林分生产力下降，从而导致生态系统功能衰退。
- Pinus yunnanensis Franch. 云南松
- The plant community structure and its spatial dynamics in natural Pinus yunnanensis forest region, which belonged to Yipinglang Forest Farm of Lufeng County, Yunnan, were field investigated in April 2005. 摘要于2005年4月采用中点四分法对云南省禄丰县一平浪林场云南松天然林区植物群落结构及空间动态进行了实地调查研究。
- primary Pinus yunnanensis forest 云南松原始林
- Tomicus piniperda of Pinus Yunnanensis 云南松纵坑切梢小蠹
- the bark of Pinus yunnanensis Franch 云南松树皮
- secondary Pinus yunnanensis forest 云南松次生林
- seed production stand of Pinus Yunnanensis 云南松母树林
- A Study of Genetic Gain of Pinus yunnanensis Natural Stand 云南松天然林分遗传增益研究
- Study on the fuel loading forecasting models of Pinus yunnanensis 云南松可燃物载量预测模型研究
- Keywords the bark of pinus yunnanensis;extractives;property; 云南松树皮;提取物;性能;
- A Study of Generation Progress of Pinus yunnanensis on Cut-over Area 云南松在采伐迹地上更新成林过程的研究
- He joined the two pieces of wood together with glue. 他用胶水将这两块木料黏在一起。
- Research on Applying Fertilizer of Pinus yunnanensis Seed Tree Forests 云南松母树林施肥试验研究
- The wood is held in position by a clamp. 木头用钳夹固定住了。
- Research on Genetic Gain of Seed Production Stand of Pinus yunnanensis 云南松母树林遗传增益的研究
- He shored up the wall with a thick balk of wood. 他用一根粗大的木头把墙撑住。
- Rubber has more resilience than wood. 橡胶有比木头更大的弹性。
- The axe sliced through the wood. 斧头一下子把木头劈开了。
