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Early Shang Dynasty thought was based upon cyclicity.
商代早期的思想是根据旋回。
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Sequences tend to show cyclicity of changes in relative sea level and widespread unconformities, processes of sedimentation and sources of sediments, climate and tectonic activity over time.
层序多显示相对的海平面以及广泛分布的不整合，沉积作用的过程，沉积物的来源，气候和构造活动等随地质时代变化的旋回性。
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The activity trend of shallow and deep earthquakes in Northeastern China before 2005 has been estimated in this paper according to seismic natural cyclicity and astronomical period incident etc.
从地震活动时间序列的自然节律和地震天文周期等方面，对2005年以前东北地区浅震和深震的趋势，作了分析和预测。
词根 cycle
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cyclical adj. 周期的，循环的
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cyclic adj. 环的；循环的；周期的
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cycloid adj. 圆形的；循环性格的 n. [测][数] 摆线；轮转线
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cycle n. 循环；周期；自行车；整套；一段时间 vi. 循环；骑自行车；轮转 vt. 使循环；使轮转