卖萌的ScalersTalk第四轮新概念朗读持续力训练Day22

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[Day 1736 2019-06-27]

Lesson 14-1 The Butterfly Effect

Beyond two or three days, the world's best weather forecasts are speculative, and beyond six or seven they are worthless. The Butterfly Effect is the reason. For small pieces of weather -- and to a global forecaster, small can mean thunderstorms and blizzards -- any prediction deteriorates rapidly. Errors and uncertainties multiply, cascading upward through a chain of turbulent features, from dust devils and squalls up to continent-size eddies that only satellites can see.

The modern weather models work with a grid of points of the order of sixty miles apart, and even so, some starting data has to be guessed, since ground stations and satellites cannot see everywhere. But suppose the earth could be covered with sensors spaced one foot apart, rising at one-foot intervals all the way to the top of the atmosphere.

卖萌的ScalersTalk第四轮新概念朗读持续力训练Day229 20190627

朗读时间：1m3s/1m4s

任务配置： L0+L4

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