当然，在每个最新更新可用时就立即部署并不可行，但至少应每六个月执行和完成更新周期；最好是每季度一次。

Of course, it is not feasible to deploy each latest update as it becomes available, but you can perform and complete the update cycle at least every 6 months; preferably once per quarter.

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公布的数据将每季度更新一次。

This publication will be updated on a quarterly basis.

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如有需要，(每季度)更新方案。

To update the plan if necessary (quarterly).

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