多个摄像头捕捉的图像显示，罗森博格骑自行车出门的时间是上午8:05，一辆带棕色车窗和赛车尾翼的黑色跑车开始跟踪他。
Images caught on multiple cameras revealed that the moment Rosenberg left on his bicycle, at 8:05 A.M., a coffin-black sports car with tinted windows and a racing spoiler began shadowing him.
分析了带尾翼铝合金壳体零件在塑性成形过程中的难点，介绍了壳体零件的成形工艺与模具设计的方法。
The difficulty of aluminum alloy shell workpiece with empennages was analyzed during plasticity forming, and its forming process and die designing was introduced.
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