这样，我们才可以真正的做到不浪费，该不节约的时候就不节约。
In this way, we can really do without waste, which does not save time savings.
userspace调控器以及cpuspeed守护进程在节约电能而不损害性能方面似乎是最好的默认调控器。
The userspace governor, with the cpuspeed daemon, seems to be the best of the default governors in providing a power savings without hurting performance.
还可以在不更换硬件的前提下通过软件更换进行升级--对它的客户来说是一笔很大的节约。
Upgrades could be achieved not by replacing the hardware but by switching the software - a huge savings for its customers.
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