Pads下的Unrouted Connection Length是个什么意思？表示什么含义？

[xqhrs232]

Pads下的Unrouted Connection Length是个什么意思？表示什么含义？

[xqhrs232]

BOARD STATISTICS REPORT -- xxx.pcb -- Mon Nov 17 15:26:00 2014 Job Design Time: 205:3 Part Types: 55 Parts TopSide: 436 BottomSide: 4 Total: 440 Drilled pads: 154 Undrilled pads: 1123 Total: 1277 Via Name : STANDARDVIA Via Count : 1326 Via Name : VIA_60 Via Count : 0 Via Name : VIA_90 Via Count : 0 Via Name : VIA_40 Via Count : 12 Signal Nets: 336 Connections Routed: 649 Partially 235 Unrouted: 1 Total: 885 Plane Nets: 0 Connections Routed: 0 Partially 0 Unrouted: 0 Total: 0 Routed Connection Length (inches) X: 340.36 Y: 307.87 Total: 648.23 Unrouted Connection Length (inches) X: 2127.99 Y: 1404.83 Total: 3532.82 Number of copper clearance errors: 0 Number of Routing Layers: 2 Size of Board (square inches): 35.01 Equivalent IC count (1-IC/14 pins): 91.21 Board Density(boardsize/14pin-components): 0.38 //============================================================== 看不懂Unrouted Connection Length是个什么意思？！没布的线？

[xqhrs232]

这个好像没什么意义，我看到别人画好的PCB文件输出这个统计文件也有这么一项----Unrouted Connection Length