As structural component, square hollow steel sections have favorable properties for resisting compression, bending and torsion.
方管作为结构构件，在压、弯、扭方面具有优越的性能。
Experimental results show that this algorithm is robust and the hiding text is invisible, and it is excellent in resisting the JPEG compression resistance, noise and clipping.
实验表明，该算法具有较强的鲁棒性和不可见性，在抵抗JPEG压缩、噪声、剪切等干扰具有较优良的性能。
Compared to the original algorithm, the security and the ability of resisting some attacks such as cutting and JPEG compression were obviously enhanced in the watermark system.
改进后的算法与改进前相比较，水印系统的安全性得到了提高，且对抗剪切、JPEG压缩等攻击的能力明显增强。
Steel material selection of carbon steel, carbon steel, piston oil imported advanced masterwork, oil resistance, wear-resisting, compression, corrosion resistance.
钢管材质选用碳素钢，活塞杆选用碳钢，油封采用进口高级精制品，耐油，耐磨，耐压，耐腐蚀。
The result of experiment shows that wrapping CFRP and angle steel can significantly improve the resisting load-compression capacity and ductility of member.
试验结果表明：外包钢与碳纤维布复合加固能显著提高混凝土中长柱的承载力和延性；
The result of experiment shows that wrapping CFRP and angle steel can significantly improve the resisting load-compression capacity and ductility of member.
试验结果表明：外包钢与碳纤维布复合加固能显著提高混凝土中长柱的承载力和延性；
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