特斯拉用特制的排空管来测量这些静电排放物，他可以随心所欲地调节和观察波形的变化。
Tesla measured these electrostatic emissions with a particular partially evacuated tube which he could orient as desired and watch the wave patterns change shape.
地震反射波形特征对判断地层中是否存在天然气水合物及其下伏游离气层具有重要指示意义。
It's very significant to use the wiggled character of seismic reflector to distinguish the gas hydrates and underlying free gases in the strata.
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。
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.
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