范德梅尔先生的第一项工作就是测试向研究所的加速器提供电流的整流器。
Mr van der Meer’s first job was to tinker with the power converters that delivered electricity to the institute’s accelerators.
在锂电池充电时，锂离子从正极向负极移动，而在锂电池放电时，锂离子从负极向正极回流，为连接在锂电池的外接电路提供电流。
When the thing is discharged, the ions flow back and in the process cause a current to flow in an external circuit attached to the battery.
要在新能源供应和新需求形式间提供电流，世界电网就必须变得更智能化。
In order to accommodate the flow of energy between new sources of supply and new forms of demand, the world’s electrical grids are going to have to become a lot smarter.
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