The mean free path (λ\lambdaλ) is simply the average distance a molecule travels between two successive collisions. Think of it like walking through a crowded room; how far you can get before bumping into someone depends on a few things you already intuitively know.
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For a more detailed explanation of SSD durability, check “Comparing Wear Figures on SSDs” blog by Jim Handy (a.k.a. The SSD Guy) to learn more about the numbers that manufacturers throw at you regarding the durability of their drives.，更多细节参见移动版官网
Another vessel, the Arcusat, went further. Investigative reporting found that it had changed its International Maritime Organization identification number, a unique seven-digit code assigned permanently to every ship. It is the maritime equivalent of scraping the VIN off a car.
You Could Be Sharing Your Social Security Number When You Don't Need To