Due to system upgrade, previous users' registration information are cleared.

由于系统升级，往届比赛注册信息已清空。

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Its adjustment, maintenance and upgrade is more easier due to its in-system programming.

系统具有在系统编程，调整、维护、升级等操作更加简便易行。

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Excluding the factors of change due to the system of upgrade and downgrade, the change of the CBA host cities is not very great during the ten years.

若除去由于升降级制度引起的CBA主场城市变更这一因素外，CBA主场城市在职业化十年中的变化不大。

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Microsoft's new operating system, Windows XP, which is due out on October 25th, could also motivate many firms to upgrade their PCs and related equipment and software.

ECONOMIST: They just don��t get IT | The