But in 64-bit systems, dates are expressed as signed 64-bit integers, which extends the usable range.

但是在64位的系统中，日期是使用有符号的64位整数表示的，这可以极大地扩充其可用范围。

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With the expansion of the usable range of accounting information system and deepening of using degree, security of accounting information system has become a critical and urgent issue for enterprises.

随着企业会计信息系统使用范围的扩大和使用程度的加深，会计信息系统的安全性成为企业面临的一个关键而紧迫的问题。

youdao

With the expansion of the usable range of accounting information system and deepening of using degree, security of accounting information system has become a critical and urgent issue for enterprises.

随着企业会计信息系统使用范围的扩大和使用程度的加深，会计信息系统的安全性成为企业面临的一个关键而紧迫的问题。

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