One megahertz is one million clock cycles per second, and the computer or even phone that you are watching this video on right now is no doubt a few gigahertz -- that's BILLIONs of CPU cycles every… single... second.

1 兆赫兹是每秒一百万个时钟周期，而您现在正在观看此视频的计算机甚至手机无疑是几千兆赫兹——即每… 每秒数十亿个 CPU 周期。