一钢铁作为现代物质文明的重要支柱得到迅速发展,是本世纪的事。1900年世界粗钢总产量不到3000万吨,70年代初就增加到7亿吨。但1974以后的十多年来,持续增长的趋势不见了,取代它的是大幅度的徘徊。大约与此同时,在西方发达国家尤其是美国出现了一批作家,相继发表一种观点,认为人 The rapid development of steel as an important pillar of modern material civilization is something of this century. The world crude steel output in 1900 was less than 30 million tons and increased to 700 million tons in the early 1970s. However, the trend of sustained growth has disappeared in more than a decade since 1974, replacing it with a substantial hovering. Around the same time, a group of writers appeared in the western developed countries, especially the United States, and one after another published a view that people