There are positive correlations of volatility among industries a significant level and a few Granger causalities.行业间收益波动呈现显著的正相关和较少的波动传递.The nuclear pair correlations can be viewed in terms of condensate of pair quanta.通...
She chained her bike to the railings.她把自行车锁在栏杆上。The yard had been enclosed with iron railings.院子用铁栅栏围了起来。She always padlocked her bike to the railings.她总是用挂锁把自行车锁在栏杆上。...