伟大的领袖和导师毛主席早就指出:“中国是世界文明发达最早的国家之一”,“在中华民族的开化史上,有素称发达的农业和手工业,有许多伟大的思想家、科学家、发明家、政治家、军事家、文学家和艺术家,有丰富的文化典籍。”在我国古代,有无数科学家从事着 The great leader and teacher Chairman Mao pointed out long ago: “China is one of the earliest developed countries in the world.” In the history of the opening of the Chinese nation, there are many well-known agricultural and handicrafts industries. Many great thinkers, scientists, and inventors Home, politicians, military strategists, writers and artists, have a wealth of cultural classics. "In ancient China, there are countless scientists engaged in