threeleveladj.三级的threenum.三n.三；三个adj.三个的three-dimensional electrode三维电极Three-Gorges Reservoir Area三峡库区three - dimension animation三维动画Three different treating ways3种处理方式three-out-of-seven code七三码, 七中取三码Three Mutualness Electromotor三相电动机Three critical points theorem三临界点定理Three-dimension Reproducing三维再现three dimension laze scanning三维激光扫描Three- dimensional printing三维打印