例句與造句

1. Influence of nitrate - n space time differentiation to ch . cabbage nitrate content in black soil
   黑土土壤硝態(tài)氮時空變異對蔬菜硝酸鹽含量的影響
2. On the nitrate - n accumulated characteristics in deep soil layer of winter wheat field in taihang piedmont
   太行山山前平原冬小麥田深層土體硝態(tài)氮累積特征研究
3. It's difficult to find nitrate-n in a sentence. 用nitrate-n造句挺難的