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.
The 240-foot metal towers would reach 10 times as high as the century-old apple trees they’d plow through and loom over the Zolas’ homes and the basketball court and swimming pool where his grandchildren play.
。wps对此有专业解读
Do robots dream of electric Marxist sheep?，详情可参考谷歌
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