The unsaturated link occurs in a cyclic system.

在环体系中存在不饱和键。

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There is only one lower-energy orbital in a cyclic system.

大概就是每一个小阶段的最低能量结构吧。

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In this paper, the authors introduce their development on a new style of microcomputer cyclic system on temperature, humidity and position detection.

本文介绍了作者研制的一种新型的微型计算机温度、湿度、位置巡回检测系统。

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Some children do have repeated fevers that are caused by various conditions such as disorders of the immune system, cyclic neutropenia or PFAPA (periodic fever with aphthous stomatitis, pharyngitis and adenitis).

CNN: Why do kids always get fevers on Sunday nights?