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- The landform evolution of Xianyang since the end of Qin Dynasty contains two aspects,the northward moving of the Weihe River bed and the changing of the edge slope of Xianyang tableland. 秦末以来,秦都咸阳地貌演变包括渭河河道北移和咸阳原边坡地貌变化两个方面。
- Ravine density, which is an important factor indicating the extent of the fragmentation of the Earth surface, plays a significant role in the research of soil erosion and landform evolution,etc. 沟壑密度是反映地表破碎程度的重要因子,在土壤侵蚀、地貌演变等研究中有重要作用。
- Landform Evolution and Soil Erosion on Zhouyuan During Human History Period 历史时期周原地貌演变与土壤侵蚀
- THE RESEARCH ON THE RELATION BETWEEN GULLY DENSITY AND CUTTING DEPTH IN DEFFERENT DRAINAGE LANDFORM EVOLUTION PERIODS 流域地貌演化的不同阶段沟壑密度与切割深度关系研究
- The Ancient Flow Direction of Sanggan River in the Landform Evolution for Northern Shanxi Province 从晋北地区地貌演化看桑干河的古流向
- Keywords Neotectonics;Loess Plateau;landform evolution;climate vicissitude;environmental evolution; 新构造运动;黄土高原;地貌演化;气候变迁;环境变迁;
- The study of the evolution and configuration of landforms. 地貌学对地形发展和结构进行的研究
- The space program is the evolution of years of research. 太空计划是多年研究的发展结果。
- Darwin put forth the theory of evolution,. 达尔文提出了进化论。
- Do you know about the evolution of a seed into a plant? 你知道从种子发展成为植物的过程吗?
- Our watchword is: Evolution, not revolution'. 我们的口号是: `要循序渐进,不要剧烈变革.;'
- Darwin spend more than twenty year work on his theory of evolution. 达尔文花了二十余年时间研究他的进化论。
- In politics Britain has preferred evolution to revolution. 在政治上,英国喜欢渐进而不喜欢革命。
- Our political institutions are in continuous evolution. 我们的政治制度正在不断发展中。
- landforms evolution 地貌演化
- This is a clear exposition of the theory of evolution. 这是对进化论的清晰的阐述。
- Landform is hilly dry Sadakazu District. 地貌属丘陵旱垣区。
- The evolution of heat from the sun is inestimable. 从太阳中放射出的热是无法估计的。
- The Changde landform is diverse, pleasant weather. 常德地貌多样,气候宜人。
- We studied the evolution of flowers from seeds and buds. 我们研究从种籽和花蕾到花的成长过程。