At present, GPS plane control net is widely applied, but the GPS elevation is not used widely. The people expect that the GPS elevation surveying can take the place of the conventional leveling.
当前，GPS平面控制网已经得到了广泛的运用，但是GPS高程却运用得不够，人们期望着能够用GPS高程测量代替传统的水准测量。
At present, it becomes a research hotspot in the world to study the changes of elevation and mass balance of polar ice sheets by satellite altimetry.
提要采用卫星测高技术研究两极冰面高程变化和物质平衡状态是目前国际研究的一个热点。
With increased elevation above sea level, the flora components of the resource plants present corresponding vertical differentiation patterns.
随着海拔梯度的上升，资源植物的区系成分、性状特征表现出相对应的垂直分异规律。
Noise attenuation section should be in place where is wide, relatively light discrepancy in elevation, and where the earth's surface vegetation of present position is representative.
噪声衰减断面应选在开阔、高差较小的地方，所处位置地表植被具有代表性。
The present invention relates to a superface single-elevation structure of a range hood integral main body, which is an improved model of a range hood integral main body.
本发明吸油烟机整体机身集烟罩顶面单仰角结构，是吸油烟机整体机身的改进型。
Meanwhile, we are relatively lack of the researches from home and abroad on employee satisfaction degree and a quantized elevation model of ESD at present.
同时国内外关于饭店员工满意度的研究相对比较匮乏，缺少量化的评价模型。
Meanwhile, we are relatively lack of the researches from home and abroad on employee satisfaction degree and a quantized elevation model of ESD at present.
同时国内外关于饭店员工满意度的研究相对比较匮乏，缺少量化的评价模型。
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