常見例句Gymnosperm Jisheng is the Jurassic period. 侏羅紀是裸子植物的極盛期。She said, silver fir is a gymnosperm, Pinaceae, evergreen trees. 她稱,銀杉屬裸子植物,松科,常綠喬木。Gymnosperm A general term for any seed plant except the angiosperms, characterized by bearing naked seeds. 裸子植物:被子植物以外的種子植物統(tǒng)稱裸子植物,以種子裸露爲特征。Kuo S.R.,Wang T.T,Huang T.C.Karyotype analysis of some Formosan gymnosperm[J].Taiwania,1972,17:66. 李玉閣;郭衛(wèi)紅;吳伯驥.;4種國産蘭屬植物的核型比較研究[J]Gymnosperm have 3 families,3 genera and 12 species and dominant Angiosperm have 56 families,300 genera and 951 species. 其中裸子植物3科、3屬、12種, 被子植物56科、300屬、951種。Jurassic in the plant community, gymnosperm in the category of cycads, conifers and ginkgo category. 在侏羅紀的植物群落中,裸子植物中的囌鉄類,松柏類和銀杏類。 返回 gymnospermy