应该采取的是采用总回报的几何平均值。
What he says you should do instead is to take the geometric average of gross returns.
这种平均叫几何平均,只能用于正的数值
This is called the geometric average and it's used only for positive numbers.
这种均值叫做几何平均。
问题往往在于算数平均数和几何平均数之间的选择。
The question is often framed as the choice between arithmetic and geometric means.
加权几何平均组合预测为一种非线性的组合预测方法。
Weighted geometric means combination forecasting is a kind of nonlinear combination forecasting method.
杰里米·西格尔认为在金融上应该用几何平均，而不是算术平均。
Jeremy Siegel says that in finance we should be using geometric and not arithmetic averages.
详细推导了以几何平均值作为敲定价格的几何型亚式期权的定价公式。
Secondly we prove in detail the pricing model of Asian geometric average options with floating strike price.
几何平均自由程或容器的特征尺度是低压下描述气体分子热运动的重要物理量。
The mean geometric free path or the characteristic dimension of a container is the important physical magnitude in describing the heat motion of gas molecules under low pressure.
杰里米在书里说几何平均，总是比算术平均小，当然如果所有数字都一样，两个均值相等。
Jeremy says in the text that the geometric return is always lower than the arithmetic return unless all the Numbers are the same.
结论表明，几何平均综合矩阵的一致性指标要小于各决策矩阵一致性指标的算术平均数。
The conclusion indicated that the consistency of GMJ was less than the mean of the consistencies of judgments.
采用酶联免疫吸附试验测定麻疹抗体阳性率及抗体几何平均滴度，用统计学方法进行分析。
The positive rate of measles antibody and geometrical mean titer were determined with ELISA and statistical analysis was made.
对于测试样本低于25以下时，几何平均值比中位数能更好的报告最佳任务完成时间中间值。
The Geometric Mean works better than the median for reporting the best middle task time for sample sizes less than 25.
在相容性概念的基础上，研究了加权几何平均组合判断矩阵的相容性以及相容性和一致性的关系。
Based on the concept of compatibility, the compatibility and relations between compatibility and consistency of weighted geometric average combination judgement matrix are studied.
本文用概率方法证明了关于两个相异的正数的几何平均、对数平均、指数平均和算术平均的不等式关系。
In this paper, we prove the inequality relations of arithemetric mean, logarithmic mean, exponential mean and geometric mean for two positive numbers by using probabilistic method.
物理量的数学平均值有算术平均值和几何平均值等多种表达形式，这些数学平均值所表达的物理含义是不同的。
The mathematical mean of the physical quantity has multiple expressions forms, including arithmetical mean and geometric mean, etc.
通过逐步回归法、概率测算法、二次平均先进法和简单几何平均法得到北京市宾馆不同节水水平下综合用水定额值；
The total quota of water use in different level of water saving was put forward based on regression analysis, probability estimation analysis, advanced quadratic mean method and geometric mean method.
亚式期权有两种理论上的表示方式，即采用算术平均法计算资产价格的平均值和采用几何平均法计算资产价格的平均值。
There are two means to measure the average prices of the assets in an Asian option theoretically: with the arithmetic average and with the geometric average.
本文在前人研究的基础上，结合自己所做的一些工作，分别推导出了没有中间红利的几何平均和算术平均亚式期权的定价公式。
Based of the former conclusions of others and some works of myself, the article deduced the pricing formula in the case of the arithmetic average and geometric average of the stock price.
本文提出了由几个不同的预测模型通过加权几何平均的方式进行组合从而得到加权几何平均组合预测模型，给出了确定最优权系数的方法。
Weight geometric average combination forecast model obtained by weighing several different forecast models, is presented in this paper. A method is given to determine the best weight.
参照一篮子期权的几何平均B-S期权定价模型，给出了基于实物期权的多项土地资源储备与开发的算术平均收益的夏普比率优化目标函数。
The objective Sharpe ratio function of land development arithmetic average value portfolio is deduced based on the geometric average B-S model of the basket options in the paper.
参照一篮子期权的几何平均B-S期权定价模型，给出了基于实物期权的多项土地资源储备与开发的算术平均收益的夏普比率优化目标函数。
The objective Sharpe ratio function of land development arithmetic average value portfolio is deduced based on the geometric average B-S model of the basket options in the paper.
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