... circular field 旋转磁场，园磁场 circular fins 环形的肋片 circular flow 圆流，环流，环形流[动]，园流 ...
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non-circular pin fins 异形定距柱
·2,447,543篇论文数据，部分数据来源于NoteExpress
They are soft and smooth-skinned, with a circular or nearly circular Body disk formed by the head and pectoral fins. They are harmless unless touched or stepped on.
体柔软，皮肤光滑，头与胸鳍形成圆或近于圆形的体盘。如不被触及则对人无害。
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