市场调研机构Ｉｎｆｏｎｅｔｉｃｓ公司近日预计 ,今年全球用于光纤网络构建的相关硬件设备销售收入有望达 10 3亿美元 ,比去年增长 5 2 %。这家调研机构称这种增长主要来自于极具发展潜力的城区市场与现有长途网络之间连接需求的推动 ,因为这种连接需要大量能够提供更多带宽的 Infonetics, a market research firm, recently estimated that worldwide sales of related hardware devices for optical network construction will reach 10.3 billion U.S. dollars this year, an increase of 52% over last year. The research firm said the increase was mainly driven by the demand for connectivity between the promising growth of urban markets and existing long-haul networks, which require large amounts of bandwidth to provide additional bandwidth