1. Plasma transferred arc produces the induced electromagnetic field that makes liquid metal convect in molten pool in the surface metallurgical course.
在表面冶金过程中等离子束产生感生磁场，使熔池内液态金属产生对流运动。
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2. At the same time, we introduce a kind of two dimensional inverse heat conduction problems which do not convect with outer space in doing the compression, and we have got the expected result.
同时将一类与外界无热交换的二维逆热传导方程应用到图像压缩中，并取得了预期的效果。
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3. At the same time, we introduce a kind of two dimensional inverse heat conduction problems which do not convect with outer space in doing the compression, and we have got the expected result.
