ƚ  1T A .   & & MathType0Times New Romanww 0wf-2 D1y2 z8y2 16 Times New Romanww 0wf-2 w26Symbol >ww 0wf-2 H+62 f+6Times New Romanww 0wf-2 Lx62 x6 & "Systemf !-