Coarse annual grass having fingerlike spikes of flowers; native to Old World tropics; a naturalized weed elsewhere. 粗糙一年生草本具有手指状花穗;属旧域热带植物;广部杂草。
One of the fingerlike projections of the chorion that contribute to the formation of the placenta in mammals. The deep layer of the deep cervical fasciae is subdivided into alar fasciae and prevertebral fasciae, and the alar fasciae was very thin. 羊膜绒毛绒毛膜的分支突起,借以形成哺乳动物的胎盘颈深筋膜深层也应分为翼筋膜、椎前筋膜,但翼筋膜非常薄弱;
Bottom-dwelling coastal fishes with spiny armored heads and fingerlike pectoral fins used for crawling along the sea bottom. 沿海水域中底栖鱼,头部有刺状盔甲,指状的胸鳍可用于沿海底爬行。
Any of several orchids of the genus Dactylorhiza having fingerlike tuberous roots; Europe and Mediterranean region. Dactylorhiza属兰花的任何一种,有手指状块茎;产自欧洲和地中海地区。
Sterigma ( pl. sterigmata) A fingerlike projection upon which spores are formed in most basidiomycete fungi. 担孢子梗:是大多数担子菌所具有的指状突起结构,其上着生担孢子。
One day after infection, the filopodia became somewhat thick and short in a portion of cells, while in the others the filopodia even virtually disappeared and the surfaces seemed to be undulated with varying number of scattered "fingerlike" projections. 感染1天后,部分细胞丝状伪足缩短变粗,另部分则丝状伪足几乎全部消失,细胞表面略现皱褶和分布着疏散的手指样结构。
Under wave action, zone liquefaction sediment traps and fingerlike sandbody of wave base above there form, and fingerlike sandbody can bring isolation slumped turbidites. 波浪作用形成环带状分布的液化沉积区和浪基面之上的指状砂体,指状砂体在重力作用可产生孤立的滑塌浊积体。
The article has described the simplicity machining method of the tilted edge fingerlike gear cutter with uniparted hyperboloid matching tooth shape and the straight generatrix of the uniparted hyperboloid as the blade curve. 介绍用单叶双曲面拟合齿形,以单叶双曲面的直母线作刀刃曲线,用普通工具磨即可完成的斜刃指状齿轮铣刀的简易加工方法。
Preparation and characterization of fingerlike and sponge like poly ( vinylidene fluoride) porous membranes 指状和海绵状聚偏氟乙烯多孔膜的制备及表征
To grinding with the forming method, according to the required degrees of freedom, a grinding machine and a fingerlike grinding wheel are designed, then the relationship of motions of the machine is analyzed and the grinding principle of the fingerlike grinding wheel is studied. 针对成形法磨削,根据磨削加工所需的自由度要求,设计了磨削机床及指状砂轮,分析了机床运动链之间的运动关系及指状砂轮的磨削原理。