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.
研究结果为静电捕集技术在柴油机微粒排放控制方面的应用提供了理论依据。
The research results provide the scientific basis for the application of electrostatic trapping technology in controlling the diesel particulate emission.
负离子的排放减少静电产生，减少对头发的压力，使头发更加健康。
Emission of NEGATIVE IONS reduces static electricity and stress on the hair, and this means healthier hair.
负离子的排放减少静电产生，减少对头发的压力，使头发更加健康。
Emission of NEGATIVE IONS reduces static electricity and stress on the hair, and this means healthier hair.
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