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- damaged degree of pine forest 松林受害程度
- Relationships between different damaged degrees of pine forest and population fluctuation of masson pine caterpillars, Dendrolimus punctatus 马尾松毛虫种群消长与寄主受害程度的关系
- One hectare of pine forest can retain 36.4 tons of dust annually. 一公顷松林一年可吸滞灰尘约36.;4吨。
- There are 3 types of PWD associated with the fire of pine forest,i.e. 火烧松林诱发松材线虫病可分为当年发病型、次年发病型和隐匿发病型。
- Close relations existed between the pine forest fire and the epidemic spread of pine wilt disease (PWD). 松林火灾与松材线虫病的发生和传播有着密切的关系。
- The cell membrane permeability (electrical conductivity) of plants could directly reflect the damaged degree of plants. 植物细胞膜透性数据即电导率直接反映植物受损程度。
- Lee, Ming Jen. 2000. Impact of pine wood nematode on pine forest sustainability in Taiwan. Proceedings of XXI IUFRO World Congress. PP.407. 李明仁。1998。台湾赤杨之遗传变异。两岸林木种原交流研讨会论文集台湾省林业试验所林业丛刊第88号PP.;107-112
- Lee, Ming Jen。2000。Impact of pine wood nematode on pine forest sustainability in Taiwan. Proceedings of XXI IUFRO World Congress. PP.407. 李明仁。1998。台湾赤杨之遗传变异。两岸林木种原交流研讨会论文集台湾省林业试验所林业丛刊第88号PP.;107-112
- To decompose the skin factor and then use true one to determine damaged degree of the formation guides reservoir stimulation and provides a basis for predicting the effect of it. 将表皮系数进行分解,以真实表皮系数为依据确定地层伤害深度,来指导储层改造实践,可对改造效果预测提供可靠依据。
- There is a pine forest near our house. 我们家附近有片松树林。
- But the content of element K and Mn in the leaves of Chinese privet had linear correlation with the damaged degree of the pest. The more seriously the Chinese privet damaged,the higher the content of element Mn and K in the leaves had. 但叶片K、Mn元素含量与虫害的危害程度之间存在线性相关关系,受害越严重,叶片中Mn、K元素含量越高。
- The campsite is set in the middle of a pine forest. 露营地建在了松树林的中间。
- It indicated that pine slash is the intermediate zone for dispersion and spread of PWD, therefore improving sanitary condition of pine forest, technique of felling and handling slashes scientifically is one of important measures for the disease control. 由此可见,松树采伐剩余物是松材线虫病扩散流行的一个重要的中间环节,改善松林卫生状况,规范松林采伐技术,科学处理剩余物是抑制松材线虫病扩散和流行的重要环节和措施。
- Conclusion The time leading to the hairs damaged by tinea capitis strains is earlier and the damage degree of the hairs is severer than tinea corporis strains. [摘要]目的 光镜和电镜下观察犬小孢子菌对毛发破坏的程度,比较犬小孢子菌头癣株和体癣株对不同年龄组毛发感染时间的差异。
- The forest is full of pine needles. 这个森林里到处都是松树。
- She shows a high degree of skill in her work. 她在工作中表现出高度的技巧。
- Amber is the resin of pine trees that grew very very long ago. 琥珀是古老的松脂。
- A private car gives a much greater degree of comfort and mobility. 私人小汽车能给人很大的舒服和机动性。
- The highest degree of quality or excellence. 头等质量或优秀程度最高的
- The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied. 研究了乙烯裂解炉服役炉管材料内部的组织损伤程度与焊接性的关系。