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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Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.
目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。
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Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.
弯曲：这种病是最常见的原因查明腹泻病，在世界上。
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Gangs fill the daily lives of many of our poorest and most vulnerable citizens with a terror that the court does not give sufficient consideration, often relegating them to the status of prisoners in their own homes.
法院没有充分的考虑到黑社会的猖獗所带来的恐怖，这使得我们最穷、最可怜的市民每天生活在他们的阴影当中，成为在家的囚犯。