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环形分布的锁紧块；环形片，环形段；环状扇形体
1、segment───v.分割；（细胞）FenLie；n.段，部分；（水果或花的）瓣，（动物的）节；弓形；音段；（广播或节目的）时间段
2、ring ring───戒指
3、aganglionic segment───无神经节细胞段
4、line segment───n.线段；n.[数]线段
5、segment fault───段故障，线段故障；[计]段故障
6、segment routing───分段布线
7、facilitated segment───促进部分
8、alternate segment───交错弓形
9、industry segment───工业部门；行业分部
1、lining structure test has been carried out in China, but the full-scale segment joint experiment of super tunnel lining was conducted first time.───国内超大隧道衬砌管片试验已进行过整环试验，文中介绍的超大隧道衬砌管片接头足尺试验在国内尚属首次。
2、As a traditional method of shield tunnel segment designing, the free displacement ring method is safe but conservative.───自由变形圆环法作为盾构隧道管片衬砌设计的传统方法，其计算结果虽安全但偏于保守。
3、zero stress state of an artery is brought by cutting a ring of the artery radically and, then, the ring segment springs open into a sector.───一个新的动脉壁零应力状态测量方法和动脉壁应变分析方法。
4、while penguins are only half a meter high in the compartment ring segment, the almost within reach;───而企鹅们只圈在半米高的隔段里，简直伸手可及；