论文部分内容阅读
本文原载1994年10月12～18日一期英国《国际飞行》杂志。发表此文,并不表示本刊赞同或证实其观点,仅供参考。
This article was originally published in the British “International Flight” magazine from October 12 to October 18, 1994. The publication of this article does not mean that we agree or confirm its views for reference purposes only.