求翻译：高层建筑早期的发展开始于钢结构。钢筋混凝土和薄壳筒系统已经经济而竞争性地被用于大量的住宅和商业目的的结构。由于新型结构系统的创新和发展，现在从50到100层的高层建筑遍布全美国。是什么意思？

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High-rise building early development began in steel construction. Reinforced concrete and thin shell and Cartridge Systems have already been economic and competitive to be used for a lot of residential and commercial structures. The new structure of the Innovation and development system from 50 to 1

The high-rise construction early time development starts in the steel structure.But the reinforced concrete and the thin thimble system already the economy competitively uses in the massive housing and the business objective structure.Because the new structure system innovation and the development,

Early development began in the steel structure of high-rise building. Reinforced concrete and thin shell cylinder system had economic and competitive structure was used for a large number of residential and commercial purposes. Due to the innovation and development of new structural system, now from