betas的用法

Having said that, I've run iOS 9 betas on an iPhone 5S, an iPhone 6, iPhone 6 Plus, an iPad Air and an iPad Air 2, and all performed extremely well.

基于这个评论，我在苹果5s。苹果6，苹果6+，iPad Air和iPad Air2都安装了第九代操作系统，无一例外，都运行得棒棒哒。

We drive an asset pricing model when the market is clearing. This paper shows that the linear relationship of CAPM still holds and there are three betas, and the risk of market and benchmark portfolio is priced in this model.

得出了一种基于对称PBF合同的资产定价模型，在该模型中，CAPM模型的线性关系仍然满足，且模型中有三个β值，市场风险和基准组合风险成为定价因素。

The ratios of their prices to per-share book values are below average, as are their 'betas'--a measure of the extent to which their prices move in lock step with the overall market.

它们的价格相对于每股账面价值的比率低于平均水平，衡量股价与大市联动程度的“beta系数”也低于平均水平。