expected value and variance
expected value and variance
期望值和方差
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Expected value is good and variance is bad because that's risk; that's uncertainty.
期望值越高越好,方差就相反,因为方差代表着风险,也就是不确定性
youdao
更多双语例句
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Expected value is good and variance is bad because that's risk; that's uncertainty.
期望值越高越好,方差就相反,因为方差代表着风险,也就是不确定性
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