中国是几千年的文明古国,科学文化一直走在世界的前列,对周边各国影响最大.至于指南针、火药、印刷术、造纸等四大发明,架起了人类从洪荒时代到古代文明发展的桥梁,奠定向更高层过渡的物质基础和技术条件,对全人类的贡献尤其大.这的确是伟大的、不朽的业绩,值得炎黄子孙引以为荣. As an ancient civilized country for thousands of years, science and culture have always been at the forefront of the world and have the greatest impact on the surrounding countries. As for the four great inventions, such as the compass, gunpowder, printing and papermaking, China has set the stage for human development from prehistoric times to ancient civilizations The bridge, which laid the material foundation and technological conditions for the transition to higher levels, is particularly detrimental to all mankind. It is indeed a great and immortal accomplishment that deserves to be proud of.