90年代以来,国际上发生了一系列的重大事件,对当今人类社会的发展产生了重大影响。本文从对科学技术的需求与供给两方面考察了这些重大事件对科技发展的影响,以及各国政府调整科技政策的情况。 Since the 1990s, a series of major international events have taken place and have had a significant impact on the development of today's human society. This article examines the impact of these major events on the development of science and technology from both the demand and the supply of science and technology, and the adjustments of science and technology policies by various governments.