... 极卫星 polar satellite 偏振滤光镜 polar screen 近极星序 polar sequence ...
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Polar Screen Technology 极性筛技术
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Not to be outdone by his newest rivals, Germany's original polar bear cub Knut is back and on the big screen. We'll leave you with these images. Goodbye.
不要让出生不久的北极熊抢尽锋头，德国柏林动物园里的北极熊克努特又回到大萤幕前了，一起来看看牠的首映会，感恩收看，再会！
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