variance用法(variance)

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1、variance reduction英 [ˈveəri:əns riˈdʌkʃən] 美 [ˈvɛriəns rɪˈdʌkʃən][计]方差缩减变異降低；方差低减；方差减缩；二次动差订正双语例句1. Variance reduction with Latin - Hyper - Square sampling.超希腊拉丁方格取样方差缩减.2. Important direction sampling is an effective variance reduction technique for low detection efficiency problems.蒙特卡罗方法对于小探测概率问题的模拟计算的效率非常低.3. Stable results and high variance reduction using the compound method have been obtained.使用组合方法获得了稳定的结果和较大的方差减缩.4. Second, in sub - paragraph, the can have overlap between the paragraphs, it may lead to variance reduction.二是在分段时, 可使各段之间有重叠, 这样会使方差减小.5. Importance sampling technique is an effective variance reduction technique in Monte Carlo method for pricing options.在期权定价的蒙特卡罗模拟中,重要性抽样是一种有效的方差减小技术.。

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