toroidal shell 中文意思是什麼
toroidal shell
解釋
環殼-
A technology for designing a dishing axial - symmetric unmanned helicopter that based on a coaxial rotor system shrouded by a toroidal shell is studied in this thesis
本文研究碟形軸對稱無人直升機的總體設計技術，這種特型的無人直升機是將一副共軸式旋翼置於涵道中，外形為碟狀。 -
Pattern design and optimization for filament - wound toroidal shell
纖維纏繞復合材料圓環殼線型設計與優化
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