Recently , with the exception of the ocean and land above 5000 meters altitude bryophytes can be found worldwide , including the antarctica 河北省高原山地众多，地形地貌复杂，自然条件得天独厚，苔藓植物资源丰富多样，在华北地区具有一定的代表性和典型性。
Three pls equations have been set up , for which the dependent variable was slope angle and the independent variables were types of rock and soil , mechanics characters and physiognomy 建立了坡角与岩体类型、力学性质、地形地貌之间的3个偏最小二乘回归方程。
Terrain is a complex natural scenery . the theory and algorithm of the visualization of 3d terrain & landforms are problems that many research fields are facing 作为自然界的复杂景物? ?地形而言，三维地形地貌可视化的理论和算法是众多学科领域共同面临的难题。
Hill cities and towns are huge in number and covering broad areas of china ’ s territory ; and , therefore , take an especially significant strategic position 山地城镇在我国量大面广,具有特殊重要的战略地位。由于特殊的地形地貌,决定了山地城市具有丰富的景观风貌和生态格局。
It can be used in sea - route measurement , terrain mapping , underwater archeology , salvage and oil industry etc . it is useful to improve mine ' s identify probability , too 它可用于航道测量、地形地貌测绘、水下考古、打捞和石油工业等。此外对于提高水雷的识别概率也有益处。
It was showed that the soil moisture had great temporal and spatial variability in catchment scale due to the joint - influence of land use , topography , physiognomy , and other factors 受地形地貌、土地利用和时间等因素的综合作用，土壤含水量在流域尺度内具有较大的时空变异性。
The general condition mainly introduce the geographical position , topography , land forms , climate , soil , hydrology and plants of the jingxiu county dayao mountain and zhaoping county 研究地的自然概况主要介绍了金秀大瑶山、昭平县两地的地理位置、地形地貌、气候、土壤、水文和植被等情况。
It is found that the major factors influencing the vulnerability of surface water resource include the climate , topography , soil and vegetation , human activities and economic development 发现影响衡阳盆地地表水资源脆弱性的主要因素体现在气候、地形地貌、土壤和植被、人为活动以及经济发展因素5个方面。
The attenuational velocities of vertical direction component of blast earthquake wave are slowest in the condition of close range , while that will do fastest in the condition of far range 基于以上分析,从爆破器材、爆破参数、地形地貌条件、爆破方式等方面,提出了相应的爆破震动控制方法和安全防护技术。
The modeling and nonlinear fem simulation analysis for arch dam designs is an important topic , especially for those arch dams to be built in locations of complex topographic and geological conditions 复杂的地形地貌和地质条件下拱坝有限元模型建立和非线性仿真分析是目前拱坝设计和分析中的重要研究课题。
