English translation for "topographic feature"
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- 地表要素
地貌 地形特征 地形要素 显著地形
Related Translations:
topographic: adj.地志的,地形(学上)的;地形测量的。 a topographic drawing 地形图。 a topographic machine 【航空】歪斜矫正机。
- Example Sentences:
| 1. | More complex topographic features are treated advantageously by application of relaxation methods . 比较复杂的地物,最好用松弛方法处理。 | | 2. | This is one of a series of images designed to look for landforms near europa ' s terminator - the line dividing day and night - where low sun angles highlight subtle topographic features 这是一系列被设计用来观察木卫二晨昏线附近地貌的图片中的一幅,晨昏线是分隔白天和夜晚的界限,那里阳光以低角度突出了精细的地貌。 | | 3. | Based on the fractal character of the small watershed topographic feature , the spatial and temporal variation character of sediment yield of the watershed model , the dynamic developing process and fractal character of the topog raphic feature of the watershed model , and the coupling relationship between the sediment yield and the topographic feature of the watershed model are " studied by simulate experiment , fractal theory , high precise photogrammetry and gis technology . the validation research is conducted in chabagou watershed where the observation data of rainfall , sediment and runoff for 11 years is collected . the study provides new theory and method for the topographic feature quantitative research in the prediction model of small watershed sediment yield 本文依据流域地貌形态所具有的显著分形特征,从模拟实验出发,利用分形理论和方法,结合高精度摄影测量和gis技术,对流域模型侵蚀产沙时空变异特征、地貌形态发育过程及其相应的分形特征、流域模型侵蚀产沙与地貌形态耦合关系进行了深入研究,并以具有11年降雨泥沙径流观测资料的岔巴沟流域为例进行了验证研究,为实现从单坡面侵蚀产沙模拟、预报向流域侵蚀产沙模拟、预报转化过程中地貌形态参数的提取提供了理论和方法,为黄土高原小流域水土流失综合治理提供了科学实践依据。 | | 4. | It is the effective way to realize the highly quantitative study on the geographical process that associates main geographical factors such as climate , hydrology , topographic features , soil , vegetation and human activities with geographical process for quantitatively calculation by selecting suitable spatial scales and using mathematic models based on computer 选择适宜的空间尺度,把气候、水文、地形、土壤、植被、人类经济活动等主要地理因素和过程通过抽象建立地学分析数学模型,进行定量运算,是实现地理过程高度定量化研究的有效途径。 | | 5. | Based on the topographic features and data of sediment particle size of bed load at the fluctuating backwater reach of liujiaxia reservoir , the streamwise variation and variation process of median diameter of bed load during silting and scouring periods of the fluctuating backwater reach are analyzed , and it can be seen that the turning point for the sediment diameter variation from coarse to fine is located at the outlet of shigou gorge of the fluctuating backwater reach 摘要根据刘家峡水库变动回水区的河段地形特征和历年河床质泥沙粒径级配资料,分析了变动回水区河段淤积和冲刷时,河床质泥沙中值粒径的沿程变化和历年河床质泥沙中值粒径变化过程,并指出粒径分布由粗变细的转折点在变动回水区寺沟峡峡口处。 | | 6. | The topographic feature is one of the main factors that influence the process of soil erosion and sediment yield of small watershed . the quantitative parameters of small watershed topographic feature are average watershed slope , average slope length , gully density and so on , which are based on the quantitative method of slope character and do not reflect the essential character of the small watershed topographic feature , which are complex 地貌形态是影响小流域侵蚀产沙的主要下垫面因素之一,其量化参数一般继承坡面地貌特征量化方法(如坡度、坡长因子)而采用平均坡度、平均坡长及沟壑密度等参数,这些参数仅是对流域地貌形态的概化和单因子表达,没有真正反映流域地貌形态复杂的本质特征和相互联系。 | | 7. | The proportion that the sediment yield of the main gully accounts for the total sediment yield of the experimental watershed model is from48 . 7 % to 66 . 6 % , and the proportion that deposition sediment yield of main gully accounts for the total deposition sediment yield of the experimental watershed model is from64 . 9 % to 99 . 4 % . the developing process of topographic feature of the experimental watershed model . expanding the gully width and cutting down the gully bottom are the two chief forms of the topographic feature development 流域模型地貌形态发育过程沟谷扩展和下切是流域模型地貌形态发育的主要形式,沟谷扩展发育主要发生在发育活跃时段,主沟所占沟谷总面积比例在流域模型沟谷扩展发育过程中保持在60以上:主支沟下切发育在发育初期和发育活跃时段前期表现最为剧烈,其横剖面为v字形,在发育初期和稳定时期时段呈现浅u字形和底部较为平坦的梯形,主沟的横剖面发育明显优先于各支沟。 |
- Similar Words:
- "topographic elevation" English translation, "topographic entity" English translation, "topographic expression" English translation, "topographic factor" English translation, "topographic featurc" English translation, "topographic features" English translation, "topographic forcing" English translation, "topographic form" English translation, "topographic forms" English translation, "topographic frontogenesis" English translation
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