threestageadj.三级的threenum.三n.三；三个adj.三个的three-dimensional animation technology三维动画技术Three Discursive Discussions on Zhuangzi庄子漫说三题three thousand nine hundred and nineteen(=3919) 三千九百一十九three-hour geomagnetic planetary index三小时全体地磁指数three dimension cubic pythagorean number三维三次勾股数three-open type neutral section device三断口式电分相装置three- dimensional computed tomography三维计算机X线断层照像术three thousand two hundred and fifty two(=3252) 三千二百五十二three- dimensional seismic exploration三维地震勘探three thousand eight hundred and seventy(=3870) 三千八百七十