The centric stripline’s circumvolve can form the arithmetical progression of the element phase.

该移相器是同心圆弧，心状线的旋转即可使单元相位成等差数列。

In the late nineties, based on reviewing the demographics of students with the lowest averages in the country, critics called the SAT racist, urban-centric and classist.

上世纪九年代，在对SAT平均最低的学生群体进行察后，评论家称该有种族主义、城市心主义和阶级偏见色彩。