We make a subtly geological model profile in Sanzhao sag in Songliao basin, then we can make a series of models with varies S/N ratios and with varies dominant frequency accordingly.

对松辽盆地三肇凹陷制作了精细地质模型剖面，及相应制作了不同信噪比、不同主频的正演地震模拟剖面。

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The dissolved nitrogen (DIN) concentrations in the Wujiang River basin were much higher than the global average values and the main form of nitrogen was nitrate nitrogen (NO3-N).

乌江流域溶解无机氮含量较世界平均水平高，其主要存在形式为硝态氮（NO_3-N）。

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The Susquehanna basin flows 444 miles from headwaters in Cooperstown, N.

WSJ: Susquehanna River commission wants gauge funding

The Nord-Pas de Calais Mining Basin has been designated a World Heritage site by the U.N.

CNN: Coal slag heaps join pyramids on World Heritage list