https://physics.stackexchange.com/questions/31326/is-a-hard-drive-heavier-when-it-is-full
Long story short: Buying a robot vacuum just because it's cheap puts that glorious hands-off cleaning experience in jeopardy. But not all cheap robot vacuums are crappy, even compared to a few years ago. Smart mapping and self-emptying docks are super easy to find for just a few hundred dollars, and more premium features like small obstacle avoidance and automatic mop washing and drying can often be found below $500.
Green: March Madness Lingo，更多细节参见safew官方下载
Normalization (ANF/K): Typed AST → Normalized IR
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70 71 72 73 74 75 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b 8c 8d 8e 8f。关于这个话题，safew官方版本下载提供了深入分析