推 lalucky:嗯~今天討論了一下覺得應該是這樣沒錯！ 11/12 00:29
地化22章第5題
我算法跟伊婷不一樣...
5.calculate the average residence time of water (liquid equivalent) in the
atmosphere based on data in Table22.6.
Sol:
0.013*10^6 km3=496,000*t
t=13,000/496,000=0.026yr
496000不就是423000+72900嗎@@
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