循环数据 Data Carousel ; cyclic data
循环数 cycle number ; cycle threshold ; Number of Cycles
连环数 Linking number
闭环数值控制 closed loop numerical control
循环数码 cyclic-digit code
链环数 Linking number
循环小数 [数] repeating decimal ; [数] Recurring decimal ; [数] periodical fraction ; [数] circulating decimal
开环数控系统 [自] open-loop NC system ; open loop numerical control system
循环数模转换器 cyclic DA converter
循环计数器 [计] loop counter ; cyclic counter
当环数增加时，过渡带衰减速度变快，通带形状更接近方形。
And a square passband shape was achieved for the larger ring number and the faster transition attenuation.
尽管凯斯·希勒全国房价指数及十大城市综合指数与去年相比有所上扬，但是截止到三月末的连续三个月这一指数环比连续下挫。
Although both the Case-Shiller national and ten-city indices are up year-on-year, the national index fell during the three months to the end of March.
证明了任一环有代数封闭的扩张环，且实封闭域上的四元数体是代数封闭的，给出了代数封闭环的若干性质。
The two theorems are proved that any ring can be extended into an algebraically closed ring and that the quaternionic skew field over a real closed field is algebraically closed.
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