1.
The exponent P is a function of wind speed, ground roughness, stability, etc.
指数P是风速、地面不平度、稳定度等的函数。
2.
Equivalent ground flatness function for planetary wheel of lunar rover
月球车用行星车轮等效地面不平度函数的研究
3.
antenna height above average terrain
平均地表面上天线高度
4.
A land area of uniform elevation.
平原，平地高度一致的地面
5.
On or up against a flat surface; at full length.
在平面上地或靠在平面上地;整个长度伸展地
6.
the rough texture of plowed fields.
犁过的田地的不平表面
7.
the inequalities of the ground
地面的高低 [凹凸] 不平
8.
having a small elevation above the ground or horizon or sea level.
地面、地平线或者海平面以上较小的高度。
9.
Construction Method of Large-area Super Smoothness Concrete Ground
大面积超平整度混凝土地面施工方法
10.
Discussion on the method of guaranteeing ground concrete surface smoothness
谈确保地面混凝土表面平整度的方法
11.
Study on Simulation Method of Road Roughness by International Roughness Index
由国际平整度指数模拟路面不平度方法研究
12.
A surface at which seismic wave velocities change.
不连续面间断面，地震波速度突变面
13.
But an extensive water surface is not two-dimensional.
然而地球的辽阔水面都不是平面。
14.
CHROMATIC SUMS OF NONSEPARABLE MAPS ON THE SPHERE AND THE PROJECTIVE PLANE
球面和射影平面上不可分地图的色和
15.
The earth cannot be flat. If I sailed westward, sooner or later, I shall hit land, India perhaps.
“地球不可能是一平面。如果我向西航行，我迟早会到陆地。这块陆地或许会是印度吧
16.
The ground was muddy and uneven, but we toiled on.
地面泥泞不平, 我们仍吃力地向前走.
17.
The grind is muddy and uneven, but we toil on
地面泥泞不平,我们仍吃力地向前走
18.
Beds of less than normal density are slightly uplifted.
低于平均密度的地面微微隆起。