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块状混交     
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  “块状混交”译为未确定词的双语例句
     And experement in artifical regeneration showed that the miXture of ash with larch has benefit to being free from or alleviating frost injury and enhancing growth.
     在人工更新中,为避免或减轻霜冻危害,并发挥混交增益作用,经试验证明,宜与落叶松里带、块状混交
短句来源
     lanceolata has been continuously planted,which may be worth popularizing and applying in production.
     杉木连栽林地宜采用不同树种块状混交小穴造林 ,在生产上可值得推广应用
短句来源
     The middle of the hard combustible plants or fireproof ones mixed with objective plants was disguised form of the fireproof belt,the modle can protect crown fire effectively, it was a modle that can be applied and disseminated extensively.
     难燃树种 (包括防火树种 )与目的树种块状混交是条带状防火林带模式的变形 ,可以有效地防止树冠火 ,是一种可以大规模推广应用的模式
短句来源
     The experiment showed that the forest mixed by groups was the optimum mingled mode against Clostera anachoreta.
     试验表明 :块状混交模式是控制杨扇舟蛾的最佳混交模式 ;
短句来源
     The difference of control function against Clostera anachoreta among the 3 mixed ratios of the 2 types of mixed forests in the mentioned mode was not significant.
     在块状混交模式的 3种混交比例中 ,杨×槐、杨×桐两种混交类型对杨扇舟蛾的控制作用差异不显著
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  相似匹配句对
     Massive Transformation
     块状相变
短句来源
     The experiment showed that the forest mixed by groups was the optimum mingled mode against Clostera anachoreta.
     试验表明 :块状混交模式是控制杨扇舟蛾的最佳混交模式 ;
短句来源
     Block Mosaic Mixed Forest Management Model on the Pinus tabulaeformis,Platycladus orientalis and Quercus spp Forests in Beijing
     北京低山油松林、侧柏林、栎林块状镶嵌混交经营模式的研究
短句来源
     Ⅲ Blocky alkali feldspar zone;
     Ⅲ块状微斜长石带 ;
短句来源
     2. Mixture of different plantations;
     ( 2 )适当的人工林混交措施 ;
短句来源
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  mixture in group
The portal sites were then injected with 10?ml of the mixture in group I.
      
Using the same technique 250?μg epinephrine was added to the same mixture in group II.
      


More than 2×10~5 mu. of the mixed herb—shrub—arbor artificial grasslands have been established with the ways of mixed herb—shrub—arbor on every other line, belt, net, patch form mixed herbs and the planting order of herb—shrub—arbor since 1986, these make a lush growth of trees and grass,vegetation recovering, forgage yield raising, forest tree accumulated amount increasing obviously, soil erosion controlled basically, it has bee proved that the technical measure is a effective way to improve degenerate grassland...

More than 2×10~5 mu. of the mixed herb—shrub—arbor artificial grasslands have been established with the ways of mixed herb—shrub—arbor on every other line, belt, net, patch form mixed herbs and the planting order of herb—shrub—arbor since 1986, these make a lush growth of trees and grass,vegetation recovering, forgage yield raising, forest tree accumulated amount increasing obviously, soil erosion controlled basically, it has bee proved that the technical measure is a effective way to improve degenerate grassland of semiarid rock texture hilly region and soil erosion, mitigate contradiction of forestry and husbandry and control soil erosion.

自1986年以来,在内蒙古喀喇沁旗十几个乡、镇采取草灌乔隔行混交、带状混交、网状混交、块状混交和草草混交等方式及草灌乔的种植顺序,先后建立草灌乔混交人工草地20余万亩,林草繁茂,植被恢复,牧草产量提高,证明该项技术是我国北方半干旱石质山区和水土流失区改造退化草场、缓解林牧矛盾、控制水土流失的有效途径。

Proposes a principle for design forest structure resisting to sawyers based on the resistance of poplars to Anoplophora nobilis Ganglbauer, Anop-lophora glabripennis Motschulsky and other stem-borers. Poplars may be classified into 6 categories, i.e., highly susceptible (HS), moderate susceptible (MS), susceptible (S) , resistant (R) , highly resistant (HR) and immune species (I) . The order of resistibility of mixed forests is as follows, mixed individual planting

Proposes a principle for design forest structure resisting to sawyers based on the resistance of poplars to Anoplophora nobilis Ganglbauer, Anop-lophora glabripennis Motschulsky and other stem-borers. Poplars may be classified into 6 categories, i.e., highly susceptible (HS), moderate susceptible (MS), susceptible (S) , resistant (R) , highly resistant (HR) and immune species (I) . The order of resistibility of mixed forests is as follows, mixed individual planting

依据对黄斑星天牛和光肩星天牛等杨树蛀干害虫抗性强弱,把常见的树种划分为6级,即高感虫树种(HS)、中感虫树种(MS)、感虫树种(S)、抗虫树种(R)、高抗虫树种(HR)和免疫树种(Ⅰ)。调查混交林的抗虫性能是株间混交感虫率<行间混交<带状混交<块状混交。设计杭天牛林分的原则是:以免疫树种和高抗树种为主,片、网、带三为一体,形成多树种、多林种混交的抗天牛林业生态系。

Based on studies of the soil fertility and the processes of biological cycling of nutrient clements in larch plantation ecosystem, the potential soil degradation and unstability were revealed, and the mechanism and causes of soil degradation were analyzed according to the principles of biodiversity and the trait of nutrient cycling. Mean-while, the countermeasures against soil degradation were put forward. It is suggested that a large scale man-made coniferous pure stand with single tree speciesand simplified...

Based on studies of the soil fertility and the processes of biological cycling of nutrient clements in larch plantation ecosystem, the potential soil degradation and unstability were revealed, and the mechanism and causes of soil degradation were analyzed according to the principles of biodiversity and the trait of nutrient cycling. Mean-while, the countermeasures against soil degradation were put forward. It is suggested that a large scale man-made coniferous pure stand with single tree speciesand simplified structure should be replaced by planting coniferous/boardlcaved mixed forests tree spccicsand multiple layers structure, or by many patches of different pure stands, and rotation among different trees should be adopted instead of coniferous cropping, in order? to sustain a long-term and stable soil fertility and forest productivity through the processes.

通过对东北东部帽儿山区人工落叶松纯林土壤肥力和养分循环过程的研究,揭示出落叶松人工林潜在地力的衰退趋势;从物种多样性原理和系统养分循环特点出发,浅析了地力衰减的原因,并提出了相应的防治对策。建议改造树种单一、结构简化的大面积针叶纯林为多物种、多层次的混交林,或小面积块状混交和不同树种林分间的轮作。通过生物自肥过程,实现系统的自我调节,从而维持长期稳定的土壤肥力和生物生产力。

 
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