Circular economy demands restructuring economic system by the rule of material recycle and energy flow in natural ecological system.
循环经济倡导按照自然生态系统物质循环和能量流动规律来重构经济系统。
We present a method of circular arc fragmented curve-fitting based on least mean-square error rule in this paper.
提出了一种基于最小均方误差准则的圆弧分段曲线拟合方法。
This paper describes the time-space dynamic character of circular polarised light by rotary vector and derives directly the instantaneous state rule of rotatory by the way of former.
本文用旋转矢量描述园偏振光的时空动态特征，并由此直接推导出旋光的瞬态规律。
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