| 释义 |
DEFINITIVE EXAMPLES 权威例句〔alley cropping〕A method of planting in which rows of a crop are sown between rows or hedges of nitrogen-fixing plants, the roots of which enrich the soil.固氮种植:一种种植方法,成排的庄稼播种在固氮植物排列或固氮植物树篱之间。这种植物的根使土壤肥沃美国传统〔nitrogenase〕An enzyme of nitrogen-fixing bacteria that activates the conversion of nitrogen to ammonia.定氮酶:在固氮细菌中催化氮转化成氨的一种酶美国传统 |