The Morpho above, however, gets its iridescence through the ridge lamellae (a very thin structure, similar to scales) on its wings.
上文所说的闪蝶的彩色则是由翅膀上的脊状壳层产生的(一种非常细微的，类似于鳞屑的结构)。
The low speed machine usually has a short and fat structure in order to use effectively the rotating speed of the rotor, as contrasted with the long and thin structure of the high speed machine.
由于电机转速很低，为了充分利用其圆周线速度，一般需要采用直径大而轴向长度短的结构，与传统高速电机的细长结构有很大区别。
超薄结构，双重密封。
超薄结构，双重密封。
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