出坡
- 网络work outdoor
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TWINSPAN将荆条群落划分为13个群丛,分类矩阵图明显反映出坡向和土壤湿度两个环境梯度。
The results of TWINSPAN indicated that the communities were classified into 13 associations , and the classification matrix indicated two environmental gradients , light intensity and soil humidity .
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建立了机车节能控制模型,分析了列车出坡速度及恒速运行,利用当前的预测方案与反算的交点来确定列车节能运行的工况转换点。
Establishing the model of locomotive energy-saving control , this paper analyses the train-entrance speed and the constant speed operation and utilizes the method that can definite the point of operating mode transition of energy-efficient operation .
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根据GPS实测数据,分析样本路段的速度轨迹曲线,总结出弯坡衔接线形的两种速度特征曲线,并指出了各速度特征曲线所对应的线形组合范围和适应的条件。
Based on the GPS data , I analyzed the velocity track of swatch roads and concluded velocity characteristic curve of alignment of downgrade-followed curve , in addition put forward alignment range and conditions responding to velocity characteristic curve .
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不同坡位条件下的试验表现出从坡上部到坡下部,土壤渗透速率随坡位下移呈逐渐降低的趋势;
On different slope position , it exhibited a tendency of lowing in soil infiltration rate with the drop of position .
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平均坡向的准确率为71.7%,小班内最高点与最低点求出的坡向准确率为56.5%。
Average aspect of the accuracy is 71.7 % , the aspect by the highest and lowest in subcompartment point of the aspect accurately calculated rate is 56.5 % .
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利用研究区地形图制作数字高程模型(DEM)并由DEM派生出坡度、坡向图。
Digital Elevation Mode ( DEM ) was made by relief map of the researched area , and slope and aspect were computed from the DEM .
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计算出了与沟坡相关的临界剪切应力。
Critical shear stress as related to bed slope was calculated .
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缓倾角层状岩质边坡是小危岩体出露的主要坡型之一。
Usually , there are densely distributed small instable rocks in a low-angled stratofabric rock slope .
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在诸多的探漏方法中,水力坡降线法是大家熟悉而又简便易行的方法。这种方法是根据上、下游站的流量参数,计算出相应的水力坡阵线。
Of many methods to detect leaking , the hydraulic gradient one is a well-known simple and easy method , in which the corresponding hydraulic gradient is calculated on basis of the throughput parameters at both upstream and downstream pump stations .