In fact, weather stations across India measured a decrease in sunlight reaching the ground of about 0.5 watts per square meter per year between 1964 to 1990.
A few weeks later, Larry bought 42 one-meter diameter weather balloons.
几个星期后，拉里买了42个直径为1米的气象探测气球。
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This paper conducts the reason analysis for the digital meteorological sounding meter being easy to lose suddenly in the thunderstorm weather, and finds the corresponding measure.