通常情况下没有进行复位而收集的数据不是很有用，因为计数器的时间跨度较长，包括随着负荷起伏跌宕截然不同的工作负载。
Typically the data collected without a reset is not very useful because the counters span a longer period of time, including drastically different workloads along peaks and valleys in load.
就业数据在就业市场跌至绝对低点之前和之后的月份表现起伏不定，这种状况并不罕见。
Uneven performance for jobs in the months both before and after the absolute low point in the labor market is not uncommon.
尽管四月新宅销售高涨，起伏不大的数据仍是一片惨淡景象。
Although new home sales soared in April, the less volatile statistics are still uniformly grim.
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