infinityn.无限；无穷；[数]无穷大infinity stiffness楼板无限刚infinity microphone遥控窃听器infinity of quantity量的无限infinity transmitter遥控窃听器infinity-pole though太极思维方式infinity harmonic maps无穷调和映射infinity and infinitesimal无穷大和无穷小Infinity of heaven and sea云水苍茫Infinity order type funetion无限级型函数Infinity distance achromatic objective system无限远消色差物镜系统