他梦想着设计一种主动机翼，而不是仅仅重新设计机翼形状。
Instead of just redesigning the shapes of wings, he dreams of making them more active.
然而，快速成形技术的迅猛发展大大提高了翅翼设计的可能性，完全能够复制真实昆虫的翅翼形状，事实上可以刻画任何形状。
However, advances in rapid prototyping have greatly expanded the possibilities for wing design, allowing wing shapes to replicate those of real insects or virtually any other shape.
直接的方法是基于设计逐案分析的方法是机翼形状指定第一。
Direct methods are based on the design-by-analysis approach in which the airfoil shape is specified first.
针对山前构造的地层岩性特征，从复合片、刀翼形状、齿型、切削齿力平衡等方面设计和改进了PD C钻头。
Based on the formation lithology characteristics, the PDC bit was optimized from such aspects as the composite block, blade geometry, cutter model, and cutter mechanics balance, etc.
针对山前构造的地层岩性特征，从复合片、刀翼形状、齿型、切削齿力平衡等方面设计和改进了PD C钻头。
Based on the formation lithology characteristics, the PDC bit was optimized from such aspects as the composite block, blade geometry, cutter model, and cutter mechanics balance, etc.
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