The implements or uses roles for the role link have not been defined.

尚未定义角色链接的实现角色或使用角色。

youdao

The role-link element in the security-role-ref element must match a role-name defined in the security-role element of the same web.xml deployment descriptor, as shown here

security-role-ref元素中的role-link元素必须与在处于同一份web.xml部署描述符中的security-role元素所定义的role-name一致。

youdao

So the link of the conflict will play a stronger role in making the humanitarian issues more important.

因而冲突的纽带将会发挥更大的作用,使得人道主义问题更加重要。

普林斯顿公开课 - 人性课程节选

He cites as reasons the global network's role as a link to each other for expatriate Asians, as well as renewed respect for one's roots.

CNN: COMMUNICATION

Recent economic research has supported the existence of a link by emphasising the role of human capital in promoting growth and innovation.

ECONOMIST: A little learning

Beside its direct scientific role, Mars Odyssey is also an important link in America's Mars-exploration programme.

ECONOMIST: Mars Odyssey