Qualitatively there is no doubt that higher taxes have reduced smoking, but with that said, it's very difficult from a statistical standpoint to figure out what caused the real reduction.
从品质上说，毫无疑问，施行高税额已经减少了抽烟现象，但是就是如此说法，从统计学观点来看也很难确定究竟是什么导致了真正的减少。
Conclusions the reduction in death from all causes among patients with COPD in the combination-therapy group did not reach the predetermined level of statistical significance.
结论：联合治疗对COPD患者死亡率的降低并未达到预期的水平和统计学意义。
Experiments show that this system is particularly effective for statistical noise reduction within the complete television image bandwidth.
实时处理实验表明，该系统对降低图像的统计型全频带噪声特别有效。
These differences mainly display in three aspects: statistical way difference, statistical target difference and statistics result reduction way difference.
这些差异性主要表现在三个方面：统计方式的差异性、统计指标的差异性和统计结果处理方式的差异性。
Extended approach three: a hierarchical reduction approach is imported, which is based on the combination of statistical feature selection and linear discriminant analysis.
拓展算法三：引入统计筛选和线性判别分析相结合的分层递阶约简算法。
Considering the statistical characteristics of SAR images, a novel speckle reduction algorithm is presented in this paper.
该文基于SAR图像的统计特性，提出了一种相干斑抑制算法。
It so happens to the other statistical index such as the profit amount and the amount of cost reduction, namely, changes of variety structure do not necessarily lead to statistical index.
本论文通过实例分析说明了在前提条件具备的情况下，品种结构的变动，不一定会使生产费用必然变动，对其他统计指标如利润额，成本降低额的影响也是如此。
It so happens to the other statistical index such as the profit amount and the amount of cost reduction, namely, changes of variety structure do not necessarily lead to statistical index.
本论文通过实例分析说明了在前提条件具备的情况下，品种结构的变动，不一定会使生产费用必然变动，对其他统计指标如利润额，成本降低额的影响也是如此。
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