纖維叢 的英文怎麼說
中文拼音 [xiānwéicóng]
纖維叢
英文
fiber bundle-
14 species are edible plants, 37 species are medicinal plants, 11 species are ornamental plants and31 species are feeding plants, the major types of halophytic vegetation in hebei province include ptenothalophyta such as tamarix chinensis brush and siberian brush, and littoral halophytic vegetation such as succulent vegetation, poion, chomophyte and etc. epidermal cell exosporium of tamarix chinensis blade is papillous and capillaceous ; stoma and salt - secreting gland are under the epidermis ; differentiation level of mesophyll tissue is rather high ; porder camber is obvious ; and mechanical tissue is developed
河北省鹽生植物的經濟價值較高，其中可食用的鹽生植物共計14種，可藥用的鹽生植物37種，可飼用的鹽生植物31種，具有觀賞價值的鹽生植物11種，可以作為纖維植物計約9種。河北省主要鹽生植被類型有檉柳灌叢、西伯利亞白刺灌叢等落葉灌叢和肉質型、禾草型、雜類草型鹽塵植被等濱海鹽生植被。Do plexiform neurofibromas ever become cancerous ? they can become cancerous, but this is rare
叢狀纖維瘤會變成癌癥嗎？會，但機會很小。How common are they ? plexiform neurofibromas occur in about 15 percent of people with nf1
叢狀纖維瘤的發生率有多普遍？第一型神經纖維瘤的病友有15 %的發生率。Chinese lady palm with more slender stems and finer sheath fibers than rhapis excelsa
我國的一種叢生莖棕竹，比一般棕竹具有更多的細莖以及更好的粗纖維。Characteristic class of a fibre bundle
纖維叢的示性類Abstract : with adopting of a frame of the principal fibre bundle. the article constructs a unified model of gravity and electromagnetic with torsion both in internal sp ace and in four - demensional space - time. the curvature on the bunde is calcula ted using connection theory in the principle fibre bundle. the action is construc tod with the curvature. the field equations are achieved. finally a discussion is made
文摘:應用纖維叢理論，在內部空間和四維時空引入撓率，建立了引力與電磁場的統一模型.利用纖維叢聯絡論求出主叢的標曲率，由它構造作用量，求得場方程，最後作一些討論分享友人