刷新包通过将您的产品、组件或功能升级到下一个服务级别而完全替代它们。
A refresh pack completely replaces your product, component, or feature by upgrading it to the next service level.
这些工具将提高您的工作效率以便按时交付产品，并帮助您管理需求的更改。
These tools should increase your efficiency to deliver products on time as well as help you manage changes in requirements.
修复程序包将您的产品、组件或功能升级到新的服务级别。
A fix pack upgrades your product, component, or feature to a new service level.
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