When the driving frequency is high enough, a large number of ions are trapped and the induced space charge field makes a great many of electrons stay in the discharge volume.

当外加电压频率足够高时，大量离子被俘获在放电空间，空间电荷场又引起足够多的电子滞留在放电空间。

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When the volume and between vent, oil and gas air mixture interlinked from vent discharge.

当齿间容积与排气口相通时，油气混合空气从排气口排出。

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Wetland design can moderate peak flow rate and volume of runoff discharge and sediment deposition during precipitation events.

湿地项目可以缓和雨洪峰值流率及降水过程中的径流排放量和沉淀量。

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In September, the EPA put forth a new Mandatory Emissions Reporting Rule that will require all facilities that directly emit or supply products or fuels that discharge more than 25, 000 metric tons of carbon dioxide a year to report those emissions by volume and source annually, effective January 2010.

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