氮蓝 meaning in English
nbt
Examples
- Coralloid roots a type of root regularly produced by cycads , which contains symbiotic nitrogen - fixing cyanobacteria in root nodules , giving the roots a knobbly coral - like appearance
珊瑚状的根：由苏铁类植物产生的一种类型的根，根瘤中含有共生的固氮蓝细菌，使根形成珊瑚状的有节的形状。 - Cycadophyta ( cycads ) a phylum of cone - bearing gymnosperms ( about 75 living species ) with palmlike compound leaves and special coralloid roots at or near the ground surface , which contain symbiotic nitrogen - fixing cyanobacteria
苏铁纲（苏铁类植物） ：包含球果的一类裸子植物（现存种大约有75种） ，它们具有掌状的复叶，在近地面处有特殊的珊瑚状的根，根内含有共生的固氮蓝细菌。