31英寸宽的主圆窗，是有史以来最大的窗户。四周的六扇窗户是梯形的。

The 31-inches main circular window is the biggest window ever bound for space. The six windows on the perimeter are trapezoid-shaped.

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最终，奥运会主火炬由中国奥运英雄李宁点燃，他在万众瞩目之下缓缓升起，在空中绕场一周，点燃了象征奥林匹克精神的熊熊之火。

Finally, the cauldron was lit by a jet of fire from Chinese Olympic hero li Ning, who had been hoisted up to the roof of the stadium on wires.

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第一个注册期最长为12周，从竞技角度来看，它相当于主注册期。

Thefirst registration period has a maximum length of 12 weeks and represents, froma sporting point of view, the main period.

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