以下为句子列表：
英文: Abstract: The technical background, the current status and existing problems of the same subject both at home and abroad in the research field of the calendar life of the military aircraft were presented.
中文: 文摘:介绍了军用飞机日历寿命研究的技术背景和国内外同类研究概况以及存在的问题。
更详细...
|
