远极 [
yuǎn jí]
[植] distal pole
- 本文介绍了用单层绕组和换相法设计远极比变极电机的方法。
The paper presents a method to design wide-ratio pole-changing motor by using single-layer winding and phase changing. - 环沟(亚赤道沟)是由柱状区和远极面之间的外壁突然变薄形成的。
A rimula (subequatorial canal) is presented by a sudden narrow thinning of extine between this columellate area and the distal side. - 多数种类孢子外壁具沿赤道加厚的赤道环,孢子表面呈瘤块状、疣块状,或隆起的脊连成网状或拟网状等纹饰,有的种类具近极脊和远极脊。
The types of ornamentation are tuberculiform-rugulate, verruciform-rugulate or lophate, the spore of most species with the equatorial flange, some species with proximal ridge and distal ridge.
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