The rotor, made of soft steel without an exciting winding, may have two, four or six poles.

用软钢制作而成的转子没有励磁电枢，但有两个，四个或者六个电极。

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Six wins, six poles, four podiums and 97 points may not be ground-breaking statistics, but then you wouldn't expect records in a season as competitive as this.

六个分站赛冠军，六个杆位，四次登上领奖台和97个积分可能并不是一个突破性的成就，但是人们起初并没料到这样的分数会如此具有竞争力。

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For six months of the year, there is hardly any light at the poles.

一年中的6个月里，地球的两极几乎没有任何光线。

《柯林斯英汉双解大词典》

Almost six million Poles, including the majority of the country's large Jewish population, died during the devastating six-year conflict.

CNN: Poland: From Soviet satellite to 'Tiger of Europe'

Poles are now set to give their verdict in a referendum just six days before the pope arrives.

ECONOMIST: Poland

The flights are part of "Operation Ice Bridge, " a six-year plan described as the largest ever airborne survey of ice at Earth's poles.

CNN: NASA flights will study Antarctic ice changes