Absrtact: in traditional data capture system, the date's copy in the memory spents huge expenses, which seriously affects the system's performance.

摘要：在传统的数据包捕获系统中，数据在内存中的拷贝花费了巨大的开销，严重影响了捕包系统的性能。

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But although TfL has an impressive data capture system in place, some critics have been less kind about its attitude to making that data available to others.

尽管伦敦市交通局(TfL)拥有令人印象深刻的数据采集系统，一些批评家仍然对把数据提供给他人持担忧的态度。

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One might capture such information by observing the data generated for valid users of the system as it whizzes by on a wire.

当为系统的正当用户而生成的数据在导线中传输时，可以通过观测来获取这类信息。

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The data capture system only stores one item of information on your computer -- a random number.

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The survey, conducted at a Sybase executive summit, also showed that 75 percent of the firms represented are struggling to capture trading system data.

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The CSRs and sales people who enter data and update or capture their contact histories rarely get more out of the system than they put in.

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