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growth
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  生长
    Relationship between Growth Strain and Wood Properties and Forming Mechanism of High Growth Strain of Eucalyptus Uropphylla ×E.grandis Plantation
    人工林尾巨桉生长应变与木材性质关系及高生长应变形成机理的研究
短句来源
    Study of GIS and ANN Based Individual Tree Growth Model
    基于GIS和ANN的时空相关单木生长模型研究
短句来源
    An Improved Half-Leaf Methob for Measuring the Growth Rate of Trees
    测定树木生长速率的改进半叶法
短句来源
    POWER-EXPONENTIAL EQUATION OF GROWTH AND ITS APPLICATION ON ANALYSIS IN FOREST GROWTH
    幂指数生长方程及其在林木生长分析中的应用
短句来源
    A STUDY OF THE GROWTH INDEX OF SOME AIGEIROS CLONES
    黑杨派几个无性系生长指数的研究
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  生长的
    Studies of Establishment of Regeneration System of Populus Alba. and Transformation of rolB-pttGA20ox Genes for Promoting Rooting and High Growth of the Plants
    银白杨再生体系建立及rolB-pttGA20ox双价基因遗传转化促进生根和高生长的研究
短句来源
    STUDIES OF NEW CLONES OF THE AIGEIROS SECTION——Ⅵ. DYNAMIC ANALYSIS OF THE ANNUAL GROWTH DURING NURSERY
    黑杨派新无性系研究——Ⅵ.苗期年生长的动态分析
短句来源
    An Investigation of the Effect of Dynamic Soil Water on Tree Growth in Jiulongshan,Beijing
    北京九龙山区水分动态及其对林木生长的影响
短句来源
    RELATIONS OF FLOWER BUD DIFFERENTIATION OF OLIVE TO CLIMATE AND NEW SHOOT GROWTH
    油橄榄花芽分化与气候和新梢生长的关系
短句来源
    THE EFFECT OF V-A MYCORRHIZA ON MANGO SEEDLING ABSORBING NUTRIENT AND GROWTH
    V-A菌根对杜果实生苗吸收营养和生长的影响
短句来源
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  生长量
    A COMPREHENSIVE GROWTH MODEL WITH STATISTICALLY STABLE PARAMETERS
    一个具有统计稳定参数的综合生长量模型
短句来源
    STUDY ON POPLAR INTRODUCTION, SELECTION AND GROWTH IN THE COLD SEMI-ARID AREA OF THE NORTH CHINA
    我国北方寒冷半干旱区杨树引种选择及生长量的研究
短句来源
    STUDY ON THE GREY MODEL IN ESTIMATE GROWTH FOR LARIX OLGENSIS HENRY STAND
    灰色模型应用于估测落叶松林分生长量的研究
短句来源
    The height growth of A. negumdo and A. buergerianum in first year was prevailing,up to 113.98 and 101.21 cm respectively while that of A.
    1年生苗高生长量以复叶槭最大(113.98 cm),其次是三角枫(101.21 cm);
短句来源
    Differences in tree growth among 3 ratios of N,P fertilizer were significant within 3 years after fertilization. Growth decreased with the proportion of N fertilizer increasing and P fertilizer decreasing. By year 1998,the DBH,tree height and volume of B1(the ratio of N,P fertilizer,1∶0) was 5.79%、6.58% and 19.38% respectively higher than that of B3(the ratio of N,P fertilixer,1∶1).
    N、P比不同对施肥后3年内的日本落叶松生长量有显著影响,各生长量随N肥施用比例的减少、P肥比例的增加而呈下降趋势,至1998年(12年生),N、P比为1∶0的高、径、材积分别比N、P比为1∶1的提高5.79%、6.58%和19.38%;
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  “growth”译为未确定词的双语例句
    A Study on Effects of Biological Mulching on Growth and Soil Properties of Poplar Plantation in Southern Upland Area
    南方山地杨树人工林生物覆盖效应的研究
短句来源
    STUDY ON THE AFFORESTATION DENSITY OF CUNNINGHAMIA LANCEOLATA I . THE EFFECT OF DENSITY ON BIOMASS OF YOUNG GROWTH OF C. LANCEOLATA
    杉木造林密度试验研究 Ⅰ.密度对幼林生物量的影响
短句来源
    Techniques and Benefits of Undersowing Soybean in the Young Growth of Chinese Fir
    杉木幼林套种大豆的技术和效益
短句来源
    Effect analysis of release cutting for young growth of artificial Korean pine forest
    红松人工幼林透光伐效果的分析
短句来源
    A Study of Fuelwood Features of Longbeak Eucalyptus and the Environment Suitable for Its Growth
    赤桉的薪材特性及适生环境研究
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  growth
Complexity of Homogeneous Spaces and Growth of Multiplicities
      
We give a representation-theoretic interpretation of this number as the exponent of growth for multiplicities of simple G-modules in the spaces of sections of homogeneous line bundles on G/H.
      
A necessary and sufficient geometric condition on the growth of the boundary of approximate tiles is reduced to a problem in Fourier analysis that is shown to have an elegant simple solution in dimension one.
      
We prove a Tauberian theorem of the form $\phi * g (x)\sim p(x)w(x)$ as $x \to \infty,$ where p(x) is a bounded periodic function and w(x) is a weighted function of power growth.
      
A complex Radon measure μ on ?n is said to be of at most exponential-quadratic growth if there exist positive constants C and α such that.
      
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1、In the eastern mourntain region of Liaoning province, there were many areas of natural growth which were destroyed long pears ago by natural or artifial force. These devastated forest sited after ten or tweney years are regenerated into sapling wroods of seconalary forest. 2、Classifying the types of thess secondary forests aceording to the following four principles: a) The mountain site: as altitude, slope and quality of the site etc. b) The social conditions. c) The association of forest plarts....

1、In the eastern mourntain region of Liaoning province, there were many areas of natural growth which were destroyed long pears ago by natural or artifial force. These devastated forest sited after ten or tweney years are regenerated into sapling wroods of seconalary forest. 2、Classifying the types of thess secondary forests aceording to the following four principles: a) The mountain site: as altitude, slope and quality of the site etc. b) The social conditions. c) The association of forest plarts. d) The management of the forest and economical conditions. 3、These principles abost the classifying type of the secondary forest are right- fully adopted in the eastern mountain region of Liaoning province.

作者根据辽宁东部山区的自然历史、社会条件及次生林的特点,讨论了国内外林学家划分山地森林的原则,认为可应用苏氏林型学说,综合考虑地型、土壤、植物群落及社会条件等因子,来具体划分次生林林型。在次生林型分类上可采用植被区、垂直植被带、林型组及林型等四级系统,用地形、植被及优势树种三名法命名。

1、In the eastern mountain region of Liaoning province,there were many areas of natural growth which were destroyed long years ago by natural or artifial force.These devastated forest sited after ten or twenty years are regenerated into sapling woods of secondary forest. 2、Classifying the types of thess secondary forests according to the following four principles: a)The mountain site:-as altitude,slope and quality of the site etc. b)The social conditions. c)The association of forest plants. d)The management...

1、In the eastern mountain region of Liaoning province,there were many areas of natural growth which were destroyed long years ago by natural or artifial force.These devastated forest sited after ten or twenty years are regenerated into sapling woods of secondary forest. 2、Classifying the types of thess secondary forests according to the following four principles: a)The mountain site:-as altitude,slope and quality of the site etc. b)The social conditions. c)The association of forest plants. d)The management of the forest and economical conditions. 3、These principles about the classifying types of the secondary forest are right- fully adopted in the eastern mountain region of Liaoning province.

作者根据辽宁东部山区的自然历史、社会条件及次生林的特点,讨论了国内外林学家划分山地森林的原则,认为可应用苏氏林型学说,综合考虑地型、土壤、植物群落及社会条件等因子,来具体划分次生林林型。在次生林型分类士可采用植被区、垂直植被带、林型组及林型等四级系统,用地形、植被及优势树种三名法命名。

It is said that Pinus massoniana Lamb, which growing in the Kwangtung province is of two forms, i.e., one possessing more resin and the other with less resin. In the present paper, both the wood structure and the physico-mechanical properties of the two form timbers which were collected from the northern part of the province have been preliminarily studied. They are about thirty years old. According to the wood anatomical characteristics, these forms may be distinguished as follows: the first form comparing...

It is said that Pinus massoniana Lamb, which growing in the Kwangtung province is of two forms, i.e., one possessing more resin and the other with less resin. In the present paper, both the wood structure and the physico-mechanical properties of the two form timbers which were collected from the northern part of the province have been preliminarily studied. They are about thirty years old. According to the wood anatomical characteristics, these forms may be distinguished as follows: the first form comparing with the second form has wider ring-width, lower late-wood percentage, thinner tracheid-wall thickness and larger lumen-width, shorter tracheid-length, more rays and more radial resin ducts, less in numbers of tangential wall pits on late-wood tracheids, shallowly dentate ray tracheids, and more window-like pits per cross-field. Above all, the ring width and the tracheid length are the salient features. Among the physico-mechanical properties of the two forms of timbers, only both the strength in tension parallel to the grain and the shearing strength parallel to the grain have reliable differences. Moreover, the strength index, the strength/weight ratio and the height-growth rate are higher in the second form than which in the first one. In comparison with the race from other localities, the Masson pine timbers grown in the northern part of Kwangtung are the strongest in the main strength properties.

本文初步研究粤北乐昌大源林区近30年生馬尾松两个变型——“油松”和“糠松”的木材构造和物理力学性貭。依照木材解剖特征,将两个变型区别如次:油松的輪寬較大,晚材率較小,管胞壁厚稍小而腔闊稍大,管胞长度較短,木射线略多与径向树脂道較多,此外軸向管胞切向壁上具緣紋孔数目較少,射线管胞內壁鋸齿发育程度較浅,交叉場紋孔数目略多;糠松則相反。两者的主要差异为輪寬与管胞长度。油松与糠松两者的木材物理力学性貭,仅順紋拉力和順紋剪力有可靠的差异。此外,后者具有稍高的强度指标、貭量系数以及較大的树高生长。又粤北馬尾松木材的貭量系数,远胜他地同种松木,其主要力学指标較高,生长較快。

 
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