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趋势面模型
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  trend surface model
    At the relationship between geographical factors and landscape pattern, through Trend Surface Analysis, the paper discusses how geographic coordinate and terrain factors affect the landscape pattern of the target area by establishing respectively trend surface model of stand volume and geo-coordinate, altitude and slope, gradient and slope.
    在地理位置、地形因子对景观格局形成的作用方面,运用趋势面分析方法通过建立林分蓄积与地理坐标、海拔和坡向、坡度和坡向的趋势面模型,分析了地理坐标和地形因素(海拔、坡度、坡向)对天山北坡森林景观格局的控制作用。
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  “趋势面模型”译为未确定词的双语例句
    At the same time, the gradient distribution of forest landscape of the target area along with altitude, slope, and gradient represents obvious regularity.
    同时,在趋势面模型下,研究区森林景观随海拔、坡度和坡向的梯度分布表现出明显的规律性。
短句来源
    The relation among bamboo cluster shoot output with NLS and DBH is following four rank direction face model; The relation is parabola between bamboo cluster shoot output and ratio of NLS to soil acreage of bamboo cluster (N/S);
    丛竹笋经济产量与立竹度、立竹胸径符合四阶趋势面模型,与N/S比呈抛物线形;
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  trend surface model
Both multivariate linear regression and trend surface model were used to describe temperature-time dependent relationship of food intake.
      
Other techniques, such as the trend surface model, use all the data points available.
      


With the aim at high shoot yield and quality of Dendrocalamopsis oldhami forest cultivation and with measuring mean of forest structure control through factors combination experimentation, the study is done with the results that the relation is parabola between the bamboo shooting number of cluster and the number of living stems (NLS), no notability with diameter at breast height (DBH); Bamboo shoot unit weight is descending following NLS's increasing, linearity increasing with DBH; The relation among bamboo...

With the aim at high shoot yield and quality of Dendrocalamopsis oldhami forest cultivation and with measuring mean of forest structure control through factors combination experimentation, the study is done with the results that the relation is parabola between the bamboo shooting number of cluster and the number of living stems (NLS), no notability with diameter at breast height (DBH); Bamboo shoot unit weight is descending following NLS's increasing, linearity increasing with DBH; The relation among bamboo cluster shoot output with NLS and DBH is following four rank direction face model; The relation is parabola between bamboo cluster shoot output and ratio of NLS to soil acreage of bamboo cluster (N/S); The fertility forest structure is NLS 7114~8694 per hm~2, DBH 4~5?cm, N/S 4.5~5.5, NLS years is 1~2 and account for 50%, respectively; Increasing effect of shoot output is notability by forest structure control, 134.4% increase in secondary year after control. The study direction in the future such as cluster bamboo to Monopodial cultivation for harvest most benefit is put forward, also.

以绿竹笋用林优质高效培育为目标,林分结构因子组合处理为手段,研究表明:丛出笋数与立竹度呈抛物线形关系,与立竹胸径无相关;笋个体质量随丛立竹度增加而递减,立竹胸径则相反;丛竹笋经济产量与立竹度、立竹胸径符合四阶趋势面模型,与N/S比呈抛物线形;建立了丛立竹度7114~8694株/hm2,立竹胸径4~5cm,N/S比4.5~5.5,1~2龄立竹各占50%的丰产林分结构模式,模式增产效果显著,调控后第2年竹笋增产134.4%。提出了丛生竹散生状培育的研究方向。

 
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