Three Pass三轨法threenum.三n.三；三个adj.三个的three - network convergence三网融合three-branch tree recursion三叉树递归three multiple frequenly flux3倍频磁通three-dimensional tolerance3D公差three-dimensional primitive三维像素three-phase carbon arc lamp三相炭弧灯Three-axis machining center三轴加工中心three-dimension interaction三维互动Three bogeys over the care.三忌照管过度 。Three-dimensional BN fibers透波材料