周立波现任夫人背景曝光，震惊国人！
本文首先对国内外冷弯成型领域及其数值模拟领域的工作进展情况进行了概括和总结，阐述了本文立题的背景和意义。
The paper firstly summarizes some things about cold-roll forming and its simulation in our country and international, introduces the work's background and significance.
首先我得写出脚本，然后列出必要的角色动态立绘和各种背景素材。
First I write the script then list up all the animation for characters and backgrounds that are needed.
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