PowerBook

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• PowerBook是苹果电脑公司开发的膝上型电脑生产线; 主要针对麦金塔版本（Macintosh）的专业市场的便携式设计.
• 与ibook相比，PowerBook 针对的是高端用户，因此配置比较高，例如可刻录DVD-R/RW的SuperDrive，性能更加强悍的64M显存　ATI Mobilityb Radeon 9600显卡和超大的15和17 英寸屏幕，Firewire 800接口等。适合要求较高的应用，机器做工也更加考究，机身的端口更齐全，本身的扩展能力更强，价格也更高。
• The PowerBook is a laptop computer line manufactured by Apple Computer; a portable version of the Macintosh aimed at the professional market. Since 1999, Apple has sold a second line of less expensive laptops, aimed at the consumer and education markets, the iBook.