On the Methods to Keep Satellite/Ground Clocks Synchronous Accurately;
在轨卫星与地面时钟精确同步方法研究
Studying of quality problem in cement ground;
对当前水泥地面质量问题的探讨
The Formula Derivation from the Interaction Between the Free Falling Object and the Ground Force;
自由落体与地面之间作用力公式的推导
Study on the causes of floor leakage in kitchen and toilet and preventive measures;
浅谈厨卫间地面渗漏的原因及预防措施
Quality problems of cement concrete floor and prevention measures thereof;
水泥混凝土地面的质量问题及防治措施
Development and design of automatic floor cleaning machine;
自动地面清洗机的开发设计
It gives an account of the environmental effect discrepancies done by surface and underground oil storage tanks,the relevant stipulations of Environmental Protection Agency(EPA),oil pollution law,National Pollutant Discharge Elimination System(NPDES)and so on.
译文叙述了地面和地下储油罐对环境影响的差异、美国环保局（EPA）对此的有关规定、石油污染法、全国污染物排除控制系统（NPDES）等。
Through discussing the quality status,the error categories of Guangxi historical surface meteorological data and its cause,it is advantageous to users in processing data objectively.
通过对广西历史地面气象资料的质量评估,分析地面历史资料整体质量状况、疑误数据类别和原因,让用户在使用数据时有一个全局和客观定量的把握。
This paper presents a practical way for DEM creating and terrain visualization after analyzing the characteristics of both the TIN and Grid.
通过对TIN和Grid模型特点的分析,给出了先以TIN生成地面模型,再以Grid模型进行可视化表现的理由和方法。
masonry flooring
地面装饰 砖石地面
The solid ground of the earth.
陆地地球上坚固的地面
ground to surface vessel
地面对水面舰艇雷达
paved area beside a house
（房侧的）铺砌地面.
Yes, the floor is wet.
是的，地面是湿的。
The floor is quite flat.
（室内的）地面很平。
ground penetrating radar
地面穿透雷达(透地雷达)
The land falls gently to the sea.
地面缓缓地向海边倾斜。
The ground sloped down gently.
地面缓缓地倾斜下去。
cover with a carpet, as of rooms.
房间里用地毯覆盖地面。
ground vehicle mine dispensing system
地面车辆地雷撒布系统
a wall-to-wall carpet
铺满全部地面的地毯
a mine where copper is dug from the ground.
从地面挖掘铜的地方。
w/w [wall-to-wall]
覆盖全部地面的（地毯）［
The dust slowly settled down.
灰尘慢慢地落在地面上。
The rain permeate the grind swiftly.
雨水很快地浸湿了地面。
in its right perspective
正确地、客观地、全面地
He sat face to face with me.
他和我面对面地坐着。
