These are identified by roles.

它们按角色进行标识。

youdao

Thus, I would rephrase the "Programming to an interface" by " Programming by roles ".

因此，我会用“面向接口编程”的“ 规划的角色 ”。

youdao

Tasks, defined as a series of steps with a specific goal and purpose, are performed by roles and use work products (sometimes called artifacts) as inputs.

任务，定义为关于特定目标和目的的步骤，是由角色来完成的，并用作工作产品(有时也叫做组件)的输入。

youdao

The legislature is investigating the bailout and the possible roles played by Vice President Boediono and Finance Minister Sri Mulyani in orchestrating a deal.

VOA: standard.2009.12.10

"Try to Remember" is set in Miami in the late 1960's, an era shaped by political and social changes, including new roles for women.

VOA: standard.2010.07.22

In other words, their activities are generally invisible to or left out of the enterprise process of lead generation and management handled typically by marketing roles.

FORBES: What Do I Do With this Customer Lead From My Social Network?

By assuming responsibility for the roles once played by publishers, authors are earning up to 70% of the list price as their e-book royalty versus the 17.5% paid by traditional publishers.

CNN: A dark day for the future of books

The commission's own figures suggested that there will be 900, 000 vacancies for IT-related roles by 2015.

BBC: Neelie Kroes