Table 2.

Relative error of sample T1.

	$\overline{{\mathit{L}}_{\mathit{A}}}/\mathrm{cm}$	$\overline{{\mathit{L}}_{\mathit{B}}}/\mathrm{cm}$	$\overline{{\mathit{L}}_{\mathit{C}}}/\mathrm{cm}$	$\overline{{\mathit{L}}_{\mathit{D}}}/\mathrm{cm}$	$\overline{{\mathit{S}}_1}/{\mathrm{cm}}^2$	$\overline{{\mathit{S}}_2}/{\mathrm{cm}}^2$
$\overline{T_{\mathrm{M}}}$	14.53	8.33	6.56	10.75	751.30	502.15
$\overline{T_{\mathrm{D}}}$	15.16	7.45	7.14	11.35	760.21	518.35
error/%	7.33				1.19	3.23