edge board contact meaning in English

印刷线路板引出端

0 . 1in connectors for frequencies below 3 mhz . part 11 : edge socket connectors with closed ends and having a contactspacing of 2 . 55 mm 0 . 1 in mating either with board mounted connectors or printed wiring boards with edge board contacts
频率低于3mhz的连接器.第11部分:与印制电板装连接器或板边具有接触点的印制线路板相配用的带封闭端的触点间距为2 . 55mm