IMPI also provides assurance that data is secure since it is received via Internet and can be encrypted according to user specifications and requirements.

即便通过互联网传送数据，IMPI还提供了数据安全保障，能够根据用户参数和要求对数据进行加密。

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This design presents a reasonably secure system; as long as each voting user has one and only one acceptable E-mail account, there is reasonable assurance that users could not vote twice.

这种设计可以得到一个比较安全的系统；条件是每个投票的用户都有且只有一个可以接受的电子邮件帐号，这样就可以保证每个用户都不会投两次票。

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Therefore, no assurance can be given that an individual user will achieve throughput or performance improvements equivalent to the ratios stated here.

因此，我们不能担保，个别用户所获得的吞吐量或性能改善等同于这里所列的值。

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