链路中每一个链接拥有一根指针指向下一个链接，或者有一个主控制或程序指导那些程序链接在一起。

Each link in the chain may contain a pointer to the next link, or there may be a master control or program instructing the programs to link together.

youdao

链路中每一个链接拥有一根指针指向下一个链接，或者有一个主控制或程序指导那些程序链接在一起。

Each link in the chain may contain a pointer to the next link, or there may be a master control or program instructing the programs to link together.

youdao