Through the gate operation experiment in open channel, we get a cognition about the phenomena of concentration wave of contamination under the influence of gate.
通过明渠水槽模拟的闸门调控实验，初步认识了闸门影响下污染物迁移转化波形分布规律。
The characteristic of the concentration wave in the RTD of out-circular reactor, which is a nonstationary quasi-periodic signal, has been investigated with wavelet analysis.
应用小波分析研究了外循环反应器浓度波这类非平稳拟周期信号的特征。
Quiet, he ordered with a brisk wave of an upturned palm - I was breaking his concentration. Yes, he was in charge, alright.
他手掌向上很快挥了一下，悄无声息地发出了命令——我打断了他的注意力，是的，他确是头领。
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