主干网络 zhǔgànwǎngluò core network Definitions Defs Origin Strokes Stroke Words Sentences Sents 主干 主幹 zhǔgàn mainstay the most important or essential part of something, such as a core group of people or a main force; the backbone of an organization or project网络 網絡 wǎngluò noun the internet The global computer network; often used interchangeably with 网路 wǎnglù in Taiwan.