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Roll pass on Angle steel rolling, I-beam rolling and U-section, etc. were intensively studied. 他对角钢孔型轧制的，工字钢轧制和U -型钢轧制等剧做过深入研究。 - 2
The utility model has the advantages of superior performance in the U-section, wide band, high gain and long receiving distance, which has wide markets of water and urban public antennae. 本天线在U段内性能优越，频段宽，增益高，接收距离远，在农村，水上，城市公用天线均有广阔的市场。 - 3
Under section 1030(a)(5) of the U. S. Computer Fraud and Abuse Act, it's against the law to knowingly disseminate computer viruses, worms, denial-of-service attacks and other security intrusions. 根据美国计算机欺诈和滥用法案第1030条(a)(5)，故意散布计算机病毒，蠕虫，进行拒绝服务攻击和其他安全入侵的行为是违法的。
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