topographic features meaning in English
地形情况
地形要素
Examples
- 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。 - 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。 - 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。 - 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。