| 释义 |
sector index
基本例句
区段索引
The PHLX Housing Sector Index jumped 5.7%.费城证券交易所住房行业指数上涨5.;7%。
SDT-SVM applies SDT to the calculation ofsector indexand the duration of the adjacent switching state vectors, by which the none-linear calculations such as sin、atan and sqrt functions are avoided.该技术通过应用决策树简捷高效地实现了扇区号及相应电压基矢量作用时间的计算，省去了传统SVM此间存在的正弦、反正切、开方等非线性计算，节省了计算时间，提高了计算精度。
The Philadelphia Stock Exchange/Keefe， Bruyette &Woods banksector indexis composed of 24 stocks designed to represent national money center banks and leading regional institutions.费城股票交易所)银行类指数，由24种代表国家货币中央银行和最重要的地区性机构的股票组成。
Moreover, different from the sector indexes, the time-varying betas of the stocks have more statistically significant weekday effects.此外，个股的时变贝塔表现出不同于行业指数的特点，其周内效应相对比较明显。
We examine the weekday effects of the returns, the time-varying betas, the time-varying Treynor ratios and the volumes of the sector indexes.研究发现行业指数的收益率、时变特雷诺比率、交易量有明显的周效应； |