How will the new gun control system mentioned in the PC Zone article differ from the old OFP system?

就像在个人电脑地带杂志中的一片文章中所提到的，新的武器控制系统与老的闪1系统有什么区别？

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A study of the stress and strain distribution of anchorage zone in a long span PC box girder was undertaken in the background of Hangzhou Bay Bridge project.

本文以杭州湾跨海大桥北航道非通航孔桥为工程背景，对大跨度预应力混凝土箱梁锚固区混凝土的应力应变分布特征进行了分析研究。

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The welding method used was a PC-GMAW process with mixture gases shielding. Central crack for the welded plate was located in the fusion zone between welding seam and heat-affected zone.

焊接方法为脉冲熔化极混合气体保护焊，焊接板的中心裂纹处于焊缝与热影响区之间的熔合区。

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