您要查找的是不是:
- Dividing the forest site type, comprehensive appraisal the quality of forest land are the bases to match species with the site, scientifically mange and afforest and predict productivity. 划分森林立地类型,综合评价林地质量,是适地适树,科学地进行营造林和预测森林生产力的基础。
- forest site type 森林立地类型
- Forest site classification and forest site differentiation should not be confused,as they are two different systems. 立地表层特征。 立地分类系统、立地系列、立地纲、立地目、立地类型组、立地类型(亚型)。
- The Choose Location dialog box allows you to specify the Web site type and location for a new Web site. 使用“选择位置”对话框可以指定新网站的网站类型和位置。
- Studies on division, assessment, suitable land and tree of afforestation site type in semi-dry deteriorated grass farm. 半干旱退化草牧场造林立地类型划分、评价与适地适树研究。
- Under Visual Studio installed templates, select a Web site type, such as ASP.NET Web Site. 在“Visual Studio已安装的模板”下;选择一个网站类型;例如“ASP.;NET网站”。
- And the effects of the site type, silviculture density and stand age on the above indexes are studied. 并分别立地类型、造林密度、林分年龄对这些指标的影响进行了研究。
- Site type and stand age can significantly influence the paper properties whereas silviculture density effect isnt significant yet. 其中,造林密度对木材造纸特性的影响不显著,年龄、立地类型均显著地影响造纸特性。
- Entirely by "mixed conifer,qiao guan combination of eco-efficiency and coordination of cultural construction" of ideas, to reach a sufficient amount of green, the level of a forest site. 全线以“针阔混交、乔灌结合、生态效益与人文景观建设相协调”的思路,达到了充足绿量、立地成林的水平。
- There are two site type districts and four site type subdistricts in Anyuan County and every subdistrict includes twenty-nine or sixteen site types. 全县共分为两类立地类型区,四类立地类型亚区,每个亚区有29或16个立地类型。
- Wu Kau Tang, located in the northeastern New Territories and excluded from the Plover Cove Country Park, is one of the most species rich lowland forest sites in Hong Kong. 乌蛟腾位于新界东北部,不属于船湾郊野公园范围,是本港物种最丰盛的低地丛林之一。
- The analysis shows that there is not significant coherence between heat and the growth of Robinia Pseudoacacia L. in partial regions.Heat is not the dominant fact for site type division. 摘要渭北高原沟壑区主要立地类型水热变化及对刺槐生长影响分析结果表明:在局部范围内,热量因子与刺槐生长没有明显一致性,热量因子不是划分渭北高原沟壑区立地类型的主导因子;
- The Swedish approach has been to apply the dynamic acidification models MAGIC, to 133 lakes unaffected by agriculture and SAFE, to 645 productive forest sites. 翻译成“瑞典方法将申请动态酸化模型魔术,向133个湖未受影响由农业和安全,对645个有生产力的森林站点。”有点词不达意吧。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- The number of tree species that contributed to CWD increased along the successional sequence with 7, 18, and 29 species in the Pinus massoniana, mixed coniferous broad-leaved, and monsoon evergreen broad-leaved forest sites, respectively. 组成马尾松林、针阔叶混交林和季风常绿阔叶林CWD的树种数量分别为7、18和29;
- Compared the soil moisture content of different site types: semi-shady slope>semi-sunny slope >sunny slope, the mean different is significant among three stands. 对比不同立地刺槐林地的土壤水分状况:半阴坡>半阳坡>阳坡,三个立地之间土壤水分差异显著。
- The dry-hot river valley is one of the site types with the worst ecological environment in the world.The revegetation on it is a difficult problem having not been solved. 摘要干热干旱河谷是世界上环境最恶劣的立地类型之一,其植被恢复是林业工作者多年来一直未攻克的难题。
- It is said that there are wolves in this forest. 据说这片森林里有狼。
- A large part of Africa is made up of thick forest. 非洲的大部分地区都是密林。
- The earthquake input energy spectrum of elastic single degree of freedom(SDOF) system under a world-wide ensemble of 40 earthquake records of different site types are studied. 本文以4种场地土条件下40条强震记录为输入,对弹性单自由度(SDOF)系统的地震输入能量谱进行了研究。首先研究了SDOF系统参数和地面运动参数对弹性地震输入能量谱的影响。