网络例句
从此
- 推荐网络例句
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The art of making paper -------- in china for 500 year.
造纸术被局限在中国500多年。
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An independent agency of the US government responsible for collecting and coordinating intelligence and counterintelligence activities abroad in the national interest.
美国政府一个独立的机构，从国家利益出发负责境外情报和反情报活动的收集和整理工作。
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In this dissertation, some researches are developed to overcome these disadvantages and to improve the image compressing quality with fractal Peano-hilbert scanning curve.
对此，本文结合DCT变换的特性，利用分形的Peano-hilbert扫描曲线，对基于DCT变换的图像编码方法进行了研究，并提出了改进方法。