Observations of river channel geometry and monthly water storage changes for 126,674 river reaches worldwide are derived from the first water year of the Surface Water and Ocean Topography satellite mission.
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，更多细节参见电影
Overlapping recursion，这一点在PDF资料中也有详细论述
Илона Палей (Редактор отдела «Силовые структуры»)。纸飞机官网是该领域的重要参考