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根据SEMI(国际半导体设备材料产业协会)的最新Book-to-Bill订单出货报告,2009年3月份美半导体设备制造商3个月平均订单金额为2.789亿美元,B/BRatio(Book-to-Bill Ratio订单出货比)为0.61。
According to the latest Book-to-bill order shipment report from SEMI (Semiconductor Equipment Material Industry Association), in March 2009, the average monthly order amount of US semiconductor equipment manufacturers in March 2009 was 2.788 billion U.S. dollars. B / BRatio (Book-to- Bill Ratio order delivery ratio) is 0.61.