Various types of electrical contacts, usually surfaces, spring types, or pins, arranged in parallel or equally spaced rows and columns, on any type connector or edges of printed circuit boards.

• 在任何类型的接插件或印刷电路板边沿上的以平行或等间距的行和列的方式排列的各种类型的电器触点。这种触点一般有表面式、弹簧式或管脚式几种。