上海中心气象台的业务使用表明，总体估计的准确率达70 %左右。
The operational application in Shanghai Meteorological Center shows that its average estimate accuracy reaches about 70%.
效果“用来描述统计样本结果能更精确估计真实的总体误差率的可能性。”
The term effectiveness is used to describe the likelihood that the statistical sample result will be more accurate estimate of the true population error rate.
利用本文提出的地区集中指数和地区贡献率指标，估计中国地区差距对总体居民收入差距贡献为28。
The indexes of regional concentration index and contribution rate are put forward and the results show that the contribution rate is 28.
利用本文提出的地区集中指数和地区贡献率指标，估计中国地区差距对总体居民收入差距贡献为28。
The indexes of regional concentration index and contribution rate are put forward and the results show that the contribution rate is 28.
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