通过对《红楼梦》艺术品质的分析、对“红学”流变的分析，发现文学经典化有两极一极是著作的艺术品质，另一极是文本的接受。

Through the analyses of its artistic quality and study history, the author finds there are two pillars for literary canonization: one is artistic quality of works and another its reception.

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而在温度可以降至零下50度但一年中有半年阳光24小时照射的两极区域，太阳能技术同样可以发挥作用。

At the polar regions, where temperatures might dip more than 50 degrees below freezing but sunlight shines 24 hours per day for half the year, solar technology could also be effective.

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即便是这时，一个单原子总是表现得像一个磁体，但它仍然有南北两极，而你已经不能再细分下去了。

Even then, a single atom often behaves as a magnet, but always with both a North and South pole, and you can't cut it any finer.

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