planarian.[动]涡虫；真涡虫planaradj.平面的；二维的；平的n.平面planar array CCD面阵CCDplanar interface平界面planar waveguide平面型波导planar reflector平面反射器planar formation平面构成planar dye laser平面染料激光器planar chirality平面手性planar worm gear平面齿蜗轮planar technique平面技术planar cross set平面交错层组