梯形地势，“阶梯的上边缘”。 由上边缘到下根处，这个坡度称为“临”、“土临”、“墙临”、“坡临”。 斜坡的上边缘故为“临边”。 施工现场内无围护设施或围护设施高度低于0.8米的楼层周边、楼梯侧边、平台或阳台边、屋面周边和沟、坑、槽、深基础周边等危及人身安全的边沿的简称。
任何临边的具有相同值的像素被发现，两个像素将被聚簇在一起。
If a pixel with the same value is found on any of the four sides of pixel, the two pixels will be clumped together.
作为实验验证， 利用内照明积分球光源对临边成像光谱仪原理样机进行了信噪比测量， 测量结果证实了理论模型的正确性。
As experimental validation, SNR testing was performed using an internally illuminated integrating sphere, and the experimental results have proved the correctness of this theoretical model.
扫描偏差是临边测量相对于星下点测量的系统偏差，统计显示该种偏差具有一定的纬度依赖性，所以订正时按每10度的纬度带分别进行订正。
Scan bias is a relative bias between limb and nadir measurements and corrected for each latitude band of 10 degrees due to its statistically latitudinal dependency.
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