空气动力外形使空气能自由的流向箱体而无须压缩。
The aerodynamic shape allows the air to freely flow into the cabinet without compression.
能估算可压缩无粘流中，基本空气动力外形的升力和阻力。
Calculate the lift and drag over simple aerodynamic shapes in compressible, inviscid flows.
然而，它们的用途一直被限制于一些项目，如改善汽车身体、飞机机身与羽翼的空气动力学的外形，直到最近才有了新的内容。
Until recently, however, their use has been confined to projects such as refining the aerodynamic profiles of car bodies, aircraft fuselages and wings.
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