Thee plan of national"DoubleTops" construction provides scarce opportunity for local colleges to construct first-class university and disciplines.
国家“双一流”建设方案，为地方高校建设一流大学、一流学科提供了难得的机遇。
2
Some chartists follow patterns such as "head and shoulders" and "doubletops"; others focus on moving averages; a third group believes markets move in pre-determined waves.
一些图表分析师遵循诸如“头肩型态(head and shoulders)”和“双顶(double tops)”之类的模式；其他则关注移动平均值；第三类则相信市场走势的波动已预先决定。
3
Spruce has a long history in classical Musical Instruments: The violin, viola, cello, double bass as well as today's more expensive electric jazz guitars all have solid spruce tops.