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机译:
"Enachita Vacarescu" High School, Targoviste, Romania;
1"Valahia" University of Targoviste, Multidisciplinary Research Institute for Scienceand Technologies, No. 2, Carol I Street, 130024 Targoviste, Romania;
Special Steel Complex, Physics Laboratories, Targoviste, RomaniaAcademy of Romanian Science"Ovidius" High School, Constanta;