例句與造句

1. The crop has been grown for many years on these soils on the residual nitrogen present in the soil from the native , leguminous vegetation
   在這種土壤里已經(jīng)種植多年高粱了，依靠天然和豆科植物殘存于土壤中的氮養(yǎng)分。
2. The difficulty can be overcomed that the n atom is not easy to be doped into zno . if we control the annealing condition , the residual nitrogen atoms will become acceptors in zno : n films
   通過這種方法可以克服n原子不容易慘雜進氧化鋅的困難，并且可以通過控制退火過程來控制n原子< wp = 5 >的摻雜濃度。
3. It's difficult to find residual nitrogen in a sentence. 用residual nitrogen造句挺難的