多花黄精叶表皮的发育
Leaf Epidermis Development of Polygonatum cyrtonema
贝尔饲料精对家蚕叶丝转化率的影响
Influence of bell feed essential on mulberry leaf-silk transformation in silkworm
安徽皇甫山五种黄精属植物叶表皮气孔研究
Study on Leaf Epidermis Stoma of Five Pecies in Polygonatum from Anhui Huang Fu Suan