查询词典 covariances
- 与 covariances 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Due to the possibility of reducing risk through diversification, the risk of portfolio, measured as its variance , will depend not only on the individual variances of the return on different assets, but also on the pairwise covariances of all assets.
风险可以用方差来衡量，通过分散化可以降低风险。投资组合风险不仅依赖不同资产各自的方差，而且也依赖资产的协方差。
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The nonlinear transformations called the unscented transformation is applied to propagate the means and covariances of states, and the errors caused by linearization of extended Kalman filter is eliminated.
UKF采用确定性采样策略，通过UT变换实现状态均值和方差的非线性传播，避免了扩展卡尔曼滤波产生的线性化误差，并且无需计算雅可比矩阵。
- 推荐网络例句
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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).
呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。
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The cost of moving grain food products was unchanged from May, but year over year are up 8%.
粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。
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However, to get a true quote, you will need to provide detailed personal and financial information.
然而，要让一个真正的引用，你需要提供详细的个人和财务信息。