abbr. phase-only circular harmonic (filtering) 纯相位圆偏振谐波(滤除)
网络 悬置; 夹间; 欧洲气候学和自然灾害案
In the past, there was often an automatic reaction to increased traffic: just widen the roads, says Mark Poch, the Bellevue Transportation Department´s traffic engineering manager.
贝尔维尤运输部交通工程经理马克·波奇说,过去,人们对交通量的增加往往有一种自动的反应:只要拓宽道路就行了。