中国与朝鲜是唇齿相依的邻邦,在历史发展的进程中,两国在科学技术方面的交流,也一直为世人所传诵。一、先秦两汉与古朝鲜、卫氏朝鲜和乐浪四郡朝鲜约在公元前第五千年进入新石器时代。这一时期其文化的发展基本上是自成体系的,但同邻近地区也互有交流和影响。约在公元前10世纪前后,朝鲜便进入了青铜时代。这一时期的琵琶形青铜短剑、突脊曲刃,与中国辽宁所发现的形制一致。其墓 China and North Korea are neighboring countries that are dependent on each other. In the course of historical development, the exchanges between the two countries in science and technology have also been chanted by the world. First, the Qin and Han dynasties and ancient North Korea, North Korea and Lelang North Korea four counties in the fifth millennium BC into the Neolithic Age. During this period, the development of its culture was basically self-contained, but it also had mutual influence and influence with neighboring regions. Around the 10th century BC, North Korea entered the Bronze Age. The lute-shaped bronze dagger and ridge of this period coincided with the shape found in Liaoning of China. Its tomb