Main idea of ditch grouping and channel division, rotors arrangement and the position of influent and effluent are explained in the engineering layout aspect.

在工程布置中说明氧化沟分组与分槽、转刷配置、进出水位置等布置要点；

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OFDMA is based on the idea of frequency-division multiplexing, which is a method to transmit multiple data streams over a channel.

OFDMA是根据频分多路传输系统的思想，这是一种在一个频道上传输多个数据流的方法。

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LTE splits the channel into two parts using frequency-division multiplexing, so the download and upload speeds are better balanced.

LTE则利用频分多路传输系统把频道分成两个部分，所以，下载和上传的速度得以更好地平衡。

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"We would like everyone to know that our set was not cut short by Clear Channel and to apologize to those we offended at the iHeartRadio Festival in Las Vegas, " the band said. iHeartRadio is a division of Clear Channel Broadcasting.

CNN: Green Day singer getting treatment for substance abuse

It does not include the Fox News channel, which is a separate division.

BBC: James Murdoch set for key News Corp role, reports say

Shipping company Condor Group is to shed 70 jobs in the Channel Islands when it closes its logistics division.

BBC: Jersey and Guernsey jobs cut by Condor Logistics