three yins三阴threenum.三n.三；三个adj.三个的three state superpositions三态叠加three phase var hour meter三相无功伏安小时计three-panel screen frame三扉屏风架Three-dimensional geonet三维植被网Three-dimensional matrix三维基质three-dimensional system三维系统,空间体系,三向体系three-hinged arch bridge三铰拱桥three by three arrangement三三制配置three dimensional performs三维预制件THREE EXHIBITIONS IN A BOX一个箱子里的三个展览