简介：据英国《简氏防务周刊》报道，中国当前正在实施一项具有重大意义的机载预警和控制系统研发计划：在伊尔-76型飞机基础上研制出来的预警引导机．正在中国试飞研究中心试飞。通过一些“半官方”的形式透露出来的图片显示，飞机印有中国试飞研究中心的标志，这种飞机似乎已经达到相当先进的水平．令观察人士感到惊讶。

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简介：·学术探讨·直升机操纵范围研究·····,······································,························4·····,··········……张雅铭〔1一l)降低旋翼激振力的动力学优化设计研究综述······································……郭俊贤向锦武张晓谷(l一7)热塑性与热固性复合材料抗坠吸能地板的比较与分析·······························4··············……荚淑萍(l一14)用容量瓶测量气动元件微小漏气量························,···········································……杨振祥(l一23)无人驾驶直升机外形设讨一的一些研究···············一···················································一吕春雷‘I一28)直一9直升机主液压助力器稳定性分析···········································...

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