In circumstances where there is no ambiguity the subscripts are omitted.在不会引起含糊不清的情况下,下标可以省去.Subscripts Z and E are for zonal and eddy components respectively.下角标Z和E分别表示纬向分量和旋涡分量.Textbooks commonly denote shear stresses ...

n.下标，脚注( subscript的名词复数 )...

subscripts的音标：...