1) Cross Section Return
截面回报率
2) Cross-Sectional Dispersion of Stock Returns
股票回报率截面离差
3) overall rate of return
全面回报率
4) cross-section regression
截面回归
5) sectional curvature
截面曲率
1.
On pinching problem of sectional curvature on minimal submanifolds in a symmetric space;
局部对称黎曼流形中极小子流形的截面曲率的pinching问题
2.
Let Mmbe a compact submanifold with positive sectional curvature of a space form Nn(c).
设Mm是空间形式Nn(c)中具有正截面曲率的紧致子流形,证明了如果n-m≥2,Mm的平均曲率向量关于法联络平行且不为零,则在Mm中不存在稳定积分流,且Mm的同调群消没。
3.
By using an inequality relation between a scalar curvature and the length of the second fundamental form,it is proved that sectional curvatures of a submanifold must be nonnegative (or positive).
利用数量曲率与第二基本形式长度之间的一个不等式关系,证明了其子流形的截面曲率一定非负(或者为正),并将此应用到紧致子流形上,得到一些结果。
6) return rate
回报率
1.
Analyses the electricity price against the return rate, operating hours and coal price of a foreign funded thermal power plant by grey correlation analysis, and proves through actual calculations that coal price is most closely correlated with electricity price, and operating hours has comparatively less effect on electricity price.
用灰色关联分析法对外资热电厂电价与回报率、运行小时数、煤价进行分析，通过实际计算证明煤价与电价的关联度最大，而年运行小时数对电价的影响相对较小。
2.
Optimization of equity index tracking problem whose return rate depending on the cash weight is discussed.
运用随机脉冲控制理论讨论了均值 -方差模式的现金管理指数跟踪问题 ,在回报率随现金比重变化的情况下 ,讨论了证券指数跟踪最优化问题 ,得出了存在简单脉冲控制策略的充分性条件 。
3.
The result indicates that portfolio\'s return rate using classification method of SVM is higher than the market benchmark.
结果表明,运用PCA-SVM算法得到的组合回报率超过了市场基准。
补充资料：边际投资回报率
边际投资回报率：是指在各个投资量水平上，每增加1元投资一年能带来多少利润收入。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条