absolute elevation

The essay discusses the Guangzhou area's atmosphere attenuation features in the range of 5 GHZ-100 GHZ, and summarizes the relationship between atmosphere attenuation and absolute humidity, and the rules that elevation angle and atmosphere attenuation must follow.

讨论了广州地区大气在5GHz-100GHz范围内衰减特性，总结出大气衰减与绝对湿度的关系和仰角与大气衰减遵循的规律。

However, the impacts of absolute elevation on different types of barnacle were different.

但绝对高程对不同的藤壶种类的影响是不同的。

To the same river section, the absolute elevation and the equalized integrated curve of the cros section characteristics of the river are the same.

对于同一河道，由于高程与河道断面特性平均积分曲线不变。

Conventional method is that using level together with leveling rod, or utilizing Global Positioning System combined with leveling rod to pass the absolute elevation reading from on land control points to points underwater.

传统的测量方法是使用水准仪或GPS配合尺杆将绝对高程值由陆域高程控制点传递到水下待测点。