the Strategic Defense Initiative
/ðə strəˌtiːdʒɪk dɪˈfens ɪnɪʃətɪv/
/ðə strəˌtiːdʒɪk dɪˈfens ɪnɪʃətɪv/
(abbreviation SDI)
- the plan by US President Reagan to build a defence in space against nuclear weapons. Its popular name was 'Star Wars'. He announced this in 1983, but it was never built because of the expense and the end of the Cold War. SDI was cancelled in 1993.
战略防御计划:美国总统里根计划在太空防御核武器的计划。它的流行名称是“星球大战”。他于1983年宣布了这一消息,但由于费用昂贵和冷战的结束而从未建成。SDI在1993年被取消。