发明创造在常人的眼中是科学家们的“专利”,可站在笔者面前的“小发明家”刘金石却是一位高二学生。 他发明的“高压锅气阀防堵盖”荣获北京第二届国际发明展览会铜奖,那年他才14岁。1994年第八届全国发明展览会上其发明成果“单臂天平”获发明奖。今年5月初在湖南省第十四届青少年发明比 Invention and creation are “patents” of scientists in the eyes of ordinary people. Liu Jinshi, a “small inventor” who can stand in front of the author, is a sophomore. He invented the “pressure cooker valve plugging cover” won the second Beijing International Invention Exhibition bronze medal, that year he was 14 years old. In 1994 the Eighth National Invention Exhibition on the results of its invention, “one arm balance” won the invention award. In early May this year, Hunan Province, the fourteenth youth invention ratio