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From the viewpoint of improving both the crash safety and the fuel efficiency,various shaped thin-walled structures have......

Orientale Basin is the youngest multi-ring basin on the moon crater, so it can provide theoretical reference for the res......

斜冲击载荷作用在刚塑性悬臂梁的端部，引起作用在梁横截面处的弯矩以及轴力；在发生塑性变形截面处，变矩及轴力满足交互作用屈服条件。......