Sheet resistance has the units of ohms, but it is convenient to refer to it in ohms per square since the sheet resistance produces the resistance of the coating within any square area.

• 薄膜电阻的单位是欧姆；从每平方面积的欧姆很简易参考；因为薄膜电阻就是在每个平方单位里产生电阻的.