精度
(误差) | &plu*n;(1mm + 1%) 0-50mm
&plu*n;(2mm + 1%) >50mm
&plu*n;(0.05mils + 1%) 0-2mils
&plu*n;(0.1mils + 1%) >2mils | &plu*n;(0.5mm + 1%) 0-100mm
&plu*n;(2mm + 3%) >100mm
&plu*n;(0.01mils + 1%) 0-4mils
&plu*n;(0.1mils + 3%) >4mils | &plu*n;(0.01mm + 1%) 0-2.5mm
&plu*n;(0.01mm + 3%) >2.5mm
&plu*n;(0.5mils + 1%) 0-100mils
&plu*n;(0.5mils + 3%) >100mils | &plu*n;(0.02mm + 1%) 0-6mm
&plu*n;(0.02mm + 5%) >6mm
&plu*n;(1mils + 1%) 0-250mils
&plu*n;(1mils + 5%) >250mils |
