How many square kilometers does IBM’s Global High-Resolution Atmospheric Forecasting System go down to?

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问题 How many square kilometers does IBM’s Global High-Resolution Atmospheric Forecasting System go down to?

选项 A、10.
B、3.
C、15.
D、6.

答案B

解析 这一题问的是,IBM的全球高分辨率大气预测系统的精确度究竟有多高?原文说:Most forecasts have a resolution of 10 to 15 square kilometers…IBM’s Global High-Resolution Atmospheric Forecasting System goes down to 3 square kilometers and provides information every hour.也就是说,大多数系统的分辨率为10——15平方千米,而IBM的这套系统可以精确到3平方千米。因此,答案是B。
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