Compared with the developed countries, we still have an enormous distance to cover either in the level of productive forces or that of science, technology and education.
与发达国家相比，中国的生产力水平和科技教育水平还有很大差距。
In this paper, we have studied the theory and experiment of intelligent wide-band tunable laser around Beijing Natural Science Foundation Proposed Program and developed two testing laser system.
本文围绕着北京市自然科学基金项目，对智能化宽频带可调谐激光器进行了理论和实验两方面的研究，并初步研制出两台实验样机。
In order to evaluate our new collaborative filtering algorithm and combined approach, we have developed a Prototype System for Chinese computer science literature automatic filtering.
为了对我们提出的改进的协作过滤算法和结合过滤方法进行评价，我们研制了一个中文计算机科技文献自动过滤原型系统。
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