AC(alternating current)
... alternate stress交变应力 alternating current交流交变电流 alternating current arc welder交羚弧焊机 ...
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... absorptivity吸收率 ac交流交变电流 ac arc welder交羚弧焊机 ...
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理论解析表明，运用交变电磁力在液体金属内生成的磁声波的强度和所施加的静磁场的磁感应强度和交流电流的电流密度的乘积成正比；
The theoretical analysis shows that the intensity of the generated waves is in proportion to the product of the imposed static magnetic field and alternating electrical current.
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