令人惊叹的是，这座超现代的电视塔将古老的概念，如球形的珍珠，与21世纪的技术、商业、娱乐、教育和会议设施相结合。
It is amazing that this ultra-modern TV tower combines ancient concepts such as the spherical pearls, with technology, commerce, recreation, educational and conference facilities of the 21st century.
设计了球形闭孔膨胀珍珠岩的性能指标，并给出了测试方法。
The property indexes of spherical hole-closed expanded perlite are designed and the test methods are given in this paper.
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