The Bullet 580, the world's largest inflatable airship, stands in Garrett Coliseum in Montgomery, Alabama, Wednesday, May 19, 2010, following an inflation test and fit check.
2010年5月19日，星期三，世界上最大的充气飞艇“子弹580”经过充气检验和安全检查后，停在阿拉巴马蒙哥马利加勒特体育馆内。
Toward paraboloid shape demand of inflatable membrane structure after inflation, the ideal shape model and the uniform stress distribution model are established.
针对充气膜结构反射面充气后的高精度抛物面形状要求，建立了理想状态形状模型和均匀应力分布模型。
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