对于后者，还衍生出由新旧首都构成的一种特殊的双核结构现象。
From the latter, it derives the special phenomena of dual-nuclei spatial structure that is made up of the new capital and the old.
本课题开发的数字PFC系统以IRMCF343为主要控制芯片。IRMCF343为独特的不对称双核结构。
The PFC system developed by this paper chooses IRMCF343 as the main control chip, which has a unique asymmetric dual-core structure.
依据重新定义的区域可达性，本文在均质平原背景的假设条件下推导出了区域双核结构模式的形成机制及相应的参数条件。
In order to derive the regional dual-nuclei structure by the method of building mathematical model, this paper redefines regional accessibility and establishes the formula to calculate it.
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