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.
印度各地气象站监测到的情况是，1964年到1990年间，阳光带给地面的热量，每平方米每年下降了0.5瓦特。
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.
印度各地气象站监测到的情况是，1964年到1990年间，阳光带给地面的热量，每平方米每年下降了0.5瓦特。
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