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。

youdao

And that is not simply true of average Americans.

CENTERFORSECURITYPOLICY: Freedom Flame 2013

Using two times the Average True Range (ATR), Manning estimated that 90% of the price activity should stay within the bands.

FORBES: Gain an Edge with Volatility Analysis

And it is true that NPR listeners, on average, are better educated than the average American.

FORBES: NPR Responds To Forbes Op/Ed Piece