In this paper, we reported the molecular analysis of a defective of tapetum development and function1 (tdf1) mutant which is essential for tapetum development and function.
本论文报道了一个新的拟南芥绒毡层发育和功能的必需基因TDF1,它的突变能引起植株的雄性不育表型。
Through gas webbing and adding the preoxidised acrylic fibre fabric into the web, then ma king use of the needle punching and hot rolling to stabilize the web, finally, the preoxidised acrylic fibre felt is obtained.
利用在腈纶预氧化纤维中混入一定量丙纶纤维 ,并在纤维网中添加机织物基布 ,通过针刺和热轧工艺开发出高性能腈纶预氧化纤维毡。
Ultrastructural Characteristics of Heterotype Tapetum Development in Lycium barbarum L.
宁夏枸杞异型绒毡层发育的超微结构特点
The haploid pollen cells develop in the tapetal zone from spore mother cells.
单倍体花粉细胞由绒毡层提供营养发育。
The anther is made up of an outer epidermis, a middle fibrous layer, and an inner nutritive layer, the tapetum.
花药壁由外表皮层，中间纤维层，内部营养层和绒毡层构成。
felt slippers with pompons on vamps
鞋面钉绒球的毡拖鞋
A felt resembling velvet, used in making hats.
绒毡一种似丝绒的帖，用于制帽
Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
绒毡层：维管植物花粉囊内包围孢子母细胞的富含营养物质的一层结构。
On the inner ta-ngential walls and radial walls are studded Ubisch bodies stripe-like"bri-dge" appear between Ubisch body and pollen wall.
绒毡层内切向壁和径向壁上分布有乌氏体,乌氏体和花粉壁之间存在带状的“桥”。
hardy British hound having long pendulous ears and a thick coarse shaggy coat with an oily undercoat; bred for hunting otters.
耐寒的英国猎狗，耳朵长而下垂，表层毛发粗硬，内层绒毛油滑；培育用来捕猎水
one thickness of cotton wool and two thicknesses of felt
一层棉絮及两层毛毡.
lap calendaring machine
絮层压平机，毡层压光机
colour fastness to alkaline milling
耐碱性缩绒色牢度,耐碱性毡色牢度
double brim calot of wool felt trimmed with feathers and with removable earlops
钉羽毛双箍活动耳遮瓜皮绒毡帽
fur felt headgear made from hat forms, hat bodies, hoods or plateaux
绒毛毡帽,由帽模、帽坯、帽兜或平顶制成
hat form, of fur felt, neither blocked to shape nor with made brims
绒毛毡帽胎,未制模成形也无特制帽檐
hood of fur felt, neither blocked to shape nor with made brims
绒毛毡风帽,未制模成形也无特制帽檐
hat body, of fur felt, neither blocked to shape nor with made brims
绒毛毡帽坯,未制模成形也无特制帽檐
double pile velvetee
双层丝绒,双层立绒,双层天鹅绒
Study on Genes Related to the Ovary Development of the Mitten Crab (Eriocheir Japonica Sinensis);
中华绒螯蟹卵巢发育相关基因的研究