phasing是什么意思？

While we argue phasing out racial terminology ( ' , 术语 ) in the biological sciences, we also acknowledge that using race as a political or social category to study racism, although filled with lots of challenges, remains necessary given our need to understand how structural inequities and discrimination produce health disparities ( ' , 差异 ) between groups, Yudell said.

Iowa's Waldorf College has graduated several hundred students in its three-year degree program, but it now phasing out the option.