keepalive

词形变化

keepalives 复数 keepalives

释义与例句

n.
  1. 1.

    A short message sent by one device to another to check that the link between the two is operating, or to prevent this link from being broken due to inactivity.

    商务 媒体 工程 物理 电子

词源

From keep + alive.

来源：wiktionary