站在新旧世纪的临界点上——写在“世纪回顾与展望”栏目开设之际程代熙２０世纪即将走完它余下的最后一小段历程，新世纪的曙光很快就将临照大地。２０世纪是一个伟大的世纪，一个极不平凡的世纪。在这个世纪里，人类由蒸气机和电的时代大跨度地迈进了信息时代的门槛；科... Standing on the critical point of the new century and the old century - Written in the “Century Review and Prospect” section. The opening of a new era The coming of a new century will soon take place in the twentieth century. The twentieth century is a great century, an extremely unusual century. In this century, mankind has stepping into the threshold of the information age from the era of steam engines and electricity ...