Conventional airframes require heavy structural material to transfer the fuselage's weight laterally to landing gear and wheels under the wings.

传统机身设计要求使用重型结构材料，以便把机身横向重量转移到机翼下方的起落架和机轮上。

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Weighing 25 percent less than the conventional 18-mm tube, the 16-mm tube allows four image tubes to comprise a system without adversely affecting the total weight.

这种16毫米管的重量比常规的18毫米管轻25%，可以用4个成像管组成一个系统，而且对系统的总重量没有不良影响。

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All my life I felt like I couldn't live up to the conventional standard of beauty, with its constantly changing rules and ever stricter weight requirements.

在我的一生当中，我觉得自己无法适应这个社会对女性的审美标准，这个标准经常变化，但对体重的要求却始终不变。

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This maximum weight conventional wisdom has become ingrained in the collective psyche.

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So the only sensible material for reducing a conventional car's weight while maintaining its strength is aluminium.

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The ceramic brake discs are 40 percent lighter in weight than the conventional, grey cast iron brake discs.

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