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据《参考消息》1997年7月1日报道,由于世人开始认识到天然气在环境和商业方面的优势,世界天然气产业正在进入一个健康发展的兴旺时期。
According to the “Reference News” reported on July 1, 1997, as the world began to recognize the environmental and commercial advantages of natural gas, the world natural gas industry is entering a period of healthy development.