您要查找的是不是：
- topographical surface feature 地表地物
- To tunnel under(the earth or a surface feature). 挖沟在（土地或表层）之下挖沟
- The physical characteristics, especially the surface features, of an area. 地形，地貌某一地区的自然特征，尤指地表特点
- The surface features of a place or region. 地貌某地方或地区的表面特征
- One who describes and maps the surface features of geographic regions. 地志学者描叙某特定地理地区的表面特点并绘地图的人
- The physical characteristics,especially the surface features,of an area. 地形，地貌某一地区的自然特征，尤指地表特点。
- The appearance and geologic surface features of an area of land;topography. 地表特征某一区域陆地表面和有几何形状的表面；地形
- The appearance and geologic surface features of an area of land; topography. 地表特征某一区域陆地表面和有几何形状的表面；地形
- Explanation: Do some surface features on Enceladus roll like a conveyor belt? 说明： 土卫二的一些表面特征看上去是否像一条传送带？
- The algorithms provide overall successful identification of 92.50% for tip cap and 89.58% for germ surface feature among four corn varieties of xhg, xn12, wn14 and wc. This constitutes a great step towards computing feature parameters of corn kernel. 算法对4个品种xhg、xn12、wn14、wc玉米籽粒尖端、表面特征的综合识别率分别为92.;50%25和89
- The shadow regions in aerial image provide lots of information about the appearance, relative position and surface feature of object, and they are the obvious evidences of objects higher than the surrounding background. 航空图像中的阴影区域可以提供大量的关于目标形状、相对位置、表面特性、高度的相关信息,本文首先对阴影的特征进行了研究,认为阴影对图像的影响是使所投射地表的表面光照强度降低,但不改变原有地表,目标表面的光照特征,如纹理特征及光照强度方向统计特征等。
- The methods of synthesizing high strength paper with lignocellulosic material and polyurethane were investigated.The surface feature and physical characteristics of the paper were also analyzed. 摘要研究了以木质纤维素、聚氨酯为原料合成高强度纸张的方法，并分析了经加工的纸张的物理特性及其表面形态。
- A new method to extract blend surface feature is presented according to the common features of blend surface in reverse engineering. 摘要针对反求工程中常见的过渡曲面特徵，提出了一种过渡曲面特徵的提取算法。
- In this paper,we mainly use solid features such as Revolve,Blend,Pattern,Cut,Round and surface feature such as Merge to draw the 3D data model of the bucket bottom. 本文主要使用了Pro E零件模块中的旋转、混成、阵列、切割、倒圆等实体特征和merge等曲面特征 ,构造出桶底的三维数据模型。
- Scientists have long studied Martian surface features, like ravines, which suggest that liquid water flowed on ancient Mars. 科学家们很久就开始研究火星表面特征，例如峡谷，它们表明曾经有液态水在古老的火星上流过。
- Because change of volume reflected eroding process of watershed and surface change reflected change of topography surface, this model described relationship between watershed topograph and erosion. 由于相对体积变化反映了流域遭受侵蚀的过程，而表面积变化体现的是地形表面的变化，因而此关系模型同时表述了流域地形与侵蚀之间的关系。
- The oceans are vast surface features we can at present recover only a very minor amount of fresh water from oceans. 在目前，我们只能从海洋中取得极少量的淡水。
- Several surface features on Rhea remain unexplained including large light patches. 但是一些土卫五上的表面特征还不能解释，包括巨大的光斑。
- What is the topographical feature in the area of Guilin? 桂林的地形是什么样的?
- Printing images of the surface features include gloss-Ting, textures, and planeness. 印刷图像的暗不天共性包含平华庭、纹理和裂缝量。
