- 1.这个缓存层通过将数据保留一段时间(或者随即预先读取数据以便在需要是就可用)优化了对物理设备的访问。
This caching layer optimizes access to the physical devices by keeping data around for a short time (or speculatively read ahead so that the data is available when needed).
dict.yoduao.com - 2.根据一段时间运行试验数据可优化某些故障判据,逐渐完善系统。
The malfunction criterions of some parts can be improved by more experiment data to improve the whole system.
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