subscripts
n.
下标，脚注( subscript的名词复数 );
例句:
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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.
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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.
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Textbooks commonly denote shear stresses by the symbol and two subscripts.
教科书通常用符号和两个脚标表示剪应力.