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ABBREVIATION for severely subnormal; used of a person of very limited intelligence who needs special schooling 智力严重逊常
One detection design block diagram and algorithms for low S/N DS/SS signal are presented in this paper.
本文对低信噪比直接序列扩频（DS／SS）信号的检测提出了设计方案和算法。
And Hydrocyclone can be used to remove part of COD, n, p, while removel the SS.
可以采用旋流分离进行SS的去除，来达到去除部分COD、N、P的目的。
The characteristics and function mechanism were illustrated through the elimination of pollutants such as BOD5 , SS, NH3-N, P, heavy metals and microbes.
通过介绍特征污染物含碳有机物（BOD_5）、悬浮物、总氮、磷、重金属以及细菌的去除，阐述了污染物去除的基本特征和作用机理。
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