Just as iron filings arc from one end of a magnet to another, the plasma is sliding in an arc along magnetic field lines.
等离子体在弧形内沿着磁力线滑动，和铁屑在磁体两极之间呈现的弧形一样。
A career plan is like a story arc-there is a beginning, an end, and a lot of events in between.
职业规划就像一个故事的线索- - -有开端、结尾和其间的一系列事件。
Electrical end results occur with the shorting together of the cord conductors (evidence of an electrical arc discharge exists) or with the opening of either or both of the cord conductors.
电的最后结果发生时，有电线导体短路(有电弧放电的现象)或电线导体开口暴露的现象。
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