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1.The velocity fields of liquid metal at meniscus are measured during the positive-strip period and the negative-strip period, respectively, from which the mechanism of oscillation mark formation is verified.
结晶器振幅增大及拉速提高均会使弯月面处液态金属的波动程度增大．通过测定正、负滑脱期弯月面处液态金属的速度场，验证了前人提出的振痕形成的机理．收藏指正
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