您要查找的是不是：
- subpoisson distrution 亚泊松分布
- Personal income tax is the first difficulty for our country to lexy taxes, which adjusted our country's unfair distrution of poor and rich in the past and row. 个人所得税是我国税收第一难，曾经和正在为我国经济建设筹集大量的资金并调节贫富不均。
- On the other hand, the even distrution of state-owned property gratis proved unconducive to the enhancement of enterprise efficiency, as in Russia, Czech, Poland and other transitional economies. 而无偿地平均分配国有资产的私有化方式则在俄罗斯、捷克和波兰等具体情况不同的转轨国家都不利于企业效率的提高。
