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n.环形状态，环状
1、granularity───n.间隔尺寸，[岩]粒度
2、annularly───adv.环状地
3、angularity───n.有角；成角状；生硬
4、singularity───n.奇异；奇点；突出；稀有
5、avuncularity───无极性
6、vascularity───n.多血管；血管质
7、annuity───n.年金，养老金；年金保险；年金享受权
8、insularity───n.（思想、观点等）偏狭，性僵化；岛国性质（或状态）；岛屿生活状况，与外界隔绝的生活状况
9、acicularity───针状
1、The track it creates is called the path of annularity.───它产生的路径被称作环食带。
2、it creates is called the path of annularity.───它产生的路径被称作环食带。
3、An approach of mapped with bipolar coordinate and reduce noisy is used to normalize iris image in this paper, and annularity image with different centre is mapped onto bipolar coordinate efficiently.───本文介绍了一种用双极坐标映射和降噪的方法对虹膜图像进行归一化，可以有效的将不同心的环形图像映射到双极坐标系上。
4、Design and exploitation of pipe plate fundus bore annularity groove machining equipment for aluminum expand connect pipe bundle condenser───铝合金列管冷凝器胀接管板底孔环形沟槽加工装置的设计开发
5、The longest duration of the annularity on China's territory would be 8 minutes and 17 seconds in Ruili, Yunan Province, Cheng said.───程卓称中国本土最长的日环食将在云南省瑞利发生，时长8分17秒。
6、Research and application of vertexes radial algorithm for sector-annularity parts───扇环零件优化排样的扇形顶点射线算法
7、Integrated effects of annularity deep-ditch fertilizing on dryland apple───旱地苹果园环状深沟施肥综合效应初报
8、longest duration of the annularity on China's territory would be 8 minutes and 17 seconds in Ruili, Yunan Province, Cheng said.───程卓称中国本土最长的日环食将在云南省瑞利发生，时长8分17秒。
9、the duration of annularity steadily decreased with each eclipse as the Moon passed progressively closer to Earth.───当月球日益靠近地球，环食稳定持续时间减少。
1、NASA says the annular eclipse of the Sun began in Africa and passed through the Indian Ocean, where the maximum duration of annularity reached 11 minutes and 8 seconds.
2、In this eclipse, the Observatory is slightly off the track of annularity ( by 10 km ).