常見例句雙語例句By method of soil inorganic phosphorus fraction, the dynamic transformation of phosphate fertilizer and its influence factors in meadow soil in Hebei Province is discussed.採用石灰性土壤無機磷分級方法初步探討了河北省砂質潮土中P肥動態(tài)轉化及其影響因素。 返回 fraction of inorganic soil phosphorus