The overall aim is to understand the changing roles of physics and of physicists over the course of the twentieth century.

整体目标是要了解物理学与物理学家们在廿世纪中不断变换的角色。

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Pew Research Center report highlights the changing roles of parents as us marriage rates and traditional family households fall to historic lows.

皮尤调查中心的这份报告指出了父母角色的变化。美国的结婚率和传统的家庭数量已跌至历史低点。

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Pew Research Center report highlights the changing roles of parents as US marriage rates and traditional family households fall to historic lows.

皮尤研究中心在其报告中强调，随着美国结婚率和传统家庭的数量降到历史最低，父母的角色也在改变。

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Recently, our terrific Detroit National Public Radio Talk Show host, Craig Fahle, led a courageous and fascinating on-air conversation about the changing roles of Muslim women.

FORBES: Changing Roles of Muslim Women in the USA

The changing roles of men and women is not necessarily a bad thing, and to position it as one gender winning or losing seems to me unnecessarily harmful.

FORBES: It Doesn't Matter Who Wears the Pants: A Response to Hanna Rosin and The New York Times

However, learning to work with the flows of music, the changing functions and roles of others requires understanding how we handle this changing information.

FORBES: Working In The Flow Challenges Our Collaborative and Leadership Skills