If two partners are talking to each other, that is, both are invoking operations of their partner, the partner link type has two roles.

如果两个合作伙伴互相对话，也就是说，双方都调用各自伙伴的操作，此时伙伴链接类型就有两个角色。

youdao

The most important part of the partner description is the service link type; it is a mechanism used to tie the Partner description to the operations the partners can perform from the WSDL definition.

合作伙伴描述的最重要的部分是服务链接类型；它是一种机制，用来联系合作伙伴与合作伙伴可以执行的操作（根据 WSDL 定义）。

youdao

BPEL4WS USES service link types to define partners.

BPEL4WS用服务链接类型来定义伙伴。

youdao

It writes software that allows companies to link with customers, partners and employees.

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Dowling said Pure Networks is sharing its APIs with partners like AOL and D-Link so they can write both agents and applications that leverage the Network Magic platform to the enhance the value of their hardware and software offerings.

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The partners in BT Openworld will be offering services tailored for the high speed link that gives customers full screen video, high quality music downloads plus exclusive recordings and films.

BBC: BT opens up Openworld