As he pondered over the dimly discernible piece of news he had received he smelled the smell of river water that has been dyed a transparent black by humus soil.
他琢磨着那一丝缥缈的消息。他闻到了一股被腐植质染成清黑色的河水的气味儿。
It was found that the humus layer in black soil region was thick in north and thin in south, which was due to the climatic condition and soil-forming process.
研究发现,深厚黑土主要分布于黑土区北部,中厚与薄层黑土则分别集中在黑土区的中部和南部,这主要与黑土分布区的气候条件和黑土的成土过程有关。
It was found that the humus layer in black soil region was thick in north and thin in south, which was due to the climatic condition and soil-forming process.
研究发现,深厚黑土主要分布于黑土区北部,中厚与薄层黑土则分别集中在黑土区的中部和南部,这主要与黑土分布区的气候条件和黑土的成土过程有关。
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