单面印刷电路
printed circuit, single-sided
single-sided printed circuit
printed circuit
Single-sided
单方面的单边的
uniform acceleration
unidirectional link routing
单面单密度
single sided single-density
单面单密度软磁盘
single-side single density floppy diskette
单张纸双面印刷
sheetfed double-faced press
无穷远平面的单应性矩阵
homography of the plane at infinity