国债定期发行和续发机制 the mechanism for the periodic issuance and reissuance of government bonds
IBM定期地发布新的主要发行版，其中对我们的产品进行了主要的功能更新。
Periodically, IBM releases new major releases of our products with major functional upgrades.
定期或者当发行版通知您有新的系统更新时，以根用户身份运行这个命令。
Run this as root on a regular basis or when your distribution informs you of new system updates.
这些新的内核结构可按需求通过核查软件更新内容获取，同时也包含在那些定期推出的新发行版中。
These new kernel builds can be obtained on demand by checking for software updates and are also included in the periodic new releases of these distributions.
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