数学家的挑战在于，如何对这些简单群的完整集合进行分类。
The challenge for mathematicians became how to classify the complete set of these simple groups.
好，回到正题，现在呈现在您面前的就是祈谷坛的完整建筑群。
Well, back to business, now appear in front of you is complex.
永珠席状岩墙群规模之大、结构之完整在国内尚属罕见。
Its large scale and complete structure preserved are rarely seen in China.
它是世界现存最大、最完整的木质结构的古建筑群（architecturalcomplex）。
It is the largest and most complete existing ancient wooden architectural complex in the world.
它是世界现存最大、最完整的木质结构的古建筑群（architecturalcomplex）。
It is the largest and most complete existing ancient wooden architectural complex in the world.
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