论文介绍了《中国近代文献图像数据库》的建设背景、研制过程、目前进展及其发展前景。
This paper introduces the construction background of China's Modern Document Picture Database, its development process, current progress and evolution foreground.
论述红外光纤材料及其特性，介绍国外研制红外光纤的进展情况，探讨其发展前景。
The paper describes IR fibre-optical material and its features, introduces the developing conditions of fibre-optical material abroad and looks into the developing future of IR optical fibre.
分析了光纤陀螺的研制水平、进展，以及技术市场的发展趋势。
Analysis on manufacture level and developing trend in both technology and market is made.
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