The cloud consumer needs to project the average access rates, the peaks and the valleys.
云计算的用户需要预计出平均访问速度、峰值以及谷值。
Unless you measure carefully, you don't know the true average access time or throughput of your disk subsystems.
除非您仔细检查,否则您无法知道磁盘子系统实际的平均存取时间或吞吐量。
By the use of the fiber optical head, the average access time of the storage system is decreased effectively.
其读写系统使用了飞行式光纤光学头,极大程度地降低了平均寻道时间。
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