伙伴链接类型可以有一个或两个角色。
WSDL文件定义了合作伙伴链接类型。
单击new创建一个新的合作伙伴链接类型。
在大多数情况下，合作伙伴链接类型将是正确的选择。
In most cases the Partner Link Type would be the right assumption.
单击ok结束合作伙伴链接类型和合作伙伴链接的定义。
Click OK to finish the definition of partner link type and partner link.
单击browse…来指定包含服务合作伙伴链接类型的WSDL文件。
Click Browse... to specify the WSDL file that contains the service partner port type.
如果是一个伙伴发生操作调用，则合作伙伴链接类型就必定只有一个角色。
If invocations of operations from one partner occur, the partner link type must have one role.
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。
If two partners are talking to each other, that is, both are invoking operations of their partner, the partner link type has two roles.
伙伴链接类型(请参见下一部分)进一步定义了合作伙伴链接，并且有别于业务流程中其他元素的名称。
A partner link type (see next section) further defines the partner link, and has a name which distinguishes it from other elements in the business process. It looks as follows.
因此，WS-BPEL 要求，在任何给定时间，对于每个端口类型、操作、相关集和伙伴链接，每个流程实例只能有一个请求-响应操作。
Therefore, WS-BPEL claims that only one request-response operation per process instance may be active at any given time for each port type, operation, correlation set, and partner link.
这样，伙伴实际上最后就是一个有类型的服务引用而已，其类型信息来自服务链接类型和角色。
Thus, a partner is really eventually just a typed service reference, where the typing comes from the service link type and the roles.
BPEL4WS用服务链接类型来定义伙伴。
服务链接类型指定了两组由两个连接的伙伴互相提供和要求的Web服务。
A service link type specifies two collections of web services that are mutually provided and required by the two connected partners.
这些消息是端口类型的操作的WSDL消息，这些端口类型参与了流程和它的伙伴间建立的服务链接的角色。
These messages are WSDL messages of operations of the port types involved in the roles of the service links established between the process and its partners.
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）。
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.
除了要对活动进行排序，流程的BPEL描述包含服务端口类型、操作和通过合作伙伴链接引用的消息类型。
In addition to the ordering of activities, the BPEL description of a process includes service port types, operations, and message types which are referenced through partner links.
为第三种类型的伙伴建模时引出了服务链接类型。
Modeling the third kind of partners is what gives rise to service link types.
伙伴通过被称为服务链接类型（service link type）的双边方式被连接到流程。
Partners are connected to a process in a bilateral manner called a service link type.
伙伴通过被称为服务链接类型（service link type）的双边方式被连接到流程。
Partners are connected to a process in a bilateral manner called a service link type.
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