常見例句These nodules are mainly round, ellipse and coralloid in shape, pink and yellow in color, with size ranging from 1 mm to 10 mm. 根瘤顏色以土黃色、白色、淺褐色和粉紅色為主,部分為多紅色或深揭色。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. 蘇鐵綱(蘇鐵類植物):包含球果的一類裸子植物(現(xiàn)存種大約有75種),它們具有掌狀的復葉,在近地面處有特殊的珊瑚狀的根,根內(nèi)含有共生的固氮藍細菌。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. 珊瑚狀的根:由蘇鐵類植物產(chǎn)生的一種類型的根,根瘤中含有共生的固氮藍細菌,使根形成珊瑚狀的有節(jié)的形狀。coralloid","coralloides oides oides"," 珊瑚狀的"The Anatomical Observation about the Cell Layer with Blue-green Algae in the Coralloid Root of Cycads 蘇鐵類珊瑚根內(nèi)藻胞層的解剖觀察 返回 coralloid