任命伊凡·彼得罗夫教授为区域副总裁（美国）。 恭喜伊凡·彼得罗夫教授成功任命为薄膜学会的区域副总裁（美国）！ Prof. Ivan Petrov (centre) with Prof. Sam Zhang (second left), President of Thin Films Society, and Prof. Joe Greene (left), Editor-in-Chief of Thin Solid Films
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