例句與造句

1. Effect of different applied nitrogen amount on the yield of no - tillage and seedling - throwing culture
   不同施氮量對(duì)免耕拋秧稻產(chǎn)量的影響
2. Nitrogen protection : apply nitrogen to detect the oxygen amount contained in the machine online ensuring the safe operation
   氮?dú)獗Ｗo(hù)系統(tǒng)：采用氮?dú)獗Ｗo(hù)以保證機(jī)器在安全的環(huán)境下運(yùn)行。
3. 4 . the results indicated that the applied nitrogen amount had a quadratic curve relation with grain yield . yield and profit increased with the amount of nitrogen applied under a certain amount of nitrogen
   田間試驗(yàn)結(jié)果表明，施氮量與產(chǎn)量呈二次曲線關(guān)系，在一定的施氮量范圍內(nèi)，產(chǎn)量和經(jīng)濟(jì)效益都隨施氮量增加而提高，超過(guò)施氮量閾值，增加施氮量，產(chǎn)量和經(jīng)濟(jì)效益下降。
4. It's difficult to find applied nitrogen in a sentence. 用applied nitrogen造句挺難的