The overproof rate are 27 . 5 % - 43 . 3 % in 1 - 3 months and 8 . 9 % - 18 . 0 % in 6 month after decoration 抽样调查监测本市某区114间公共场所及家居室内空气中甲醛含量。
The role of relationships with teachers in adolescent development among a national sample of chinese urban adolescents 师生关系在青少年发展中的作用全国大城市抽样调查
Sampling with unequal probabilities is an important sampling technique and very popular in practice 不等概率抽样是抽样调查中一种重要的抽样形式，在实际中被广泛地应用。
The sampling survey and comparison of quality of life of the elderly in down - town communities of shanghai , 1997 and 上海市中心城区1997年和2001年老年人生活质量抽样调查的比较
Taking sample survey as the dominant method of statistical survey is an important reform of statistical method 摘要确立以抽样调查为主的统计调查方法是统计方法改革的重要举措。
Adopting a method of sampling , choose nine points in upper , middle and lower reaches respectively to get water samples 采用抽样调查方法，在流域的上中下游分别选取九个点取水样。
Article 26 the bncs is conducted by the method of census or sampling survey , or both if necessary 第26条基本国势调查之举办，以普查或抽样调查方式办理，必要时得同时兼采两种方式办理。
The web sites in question were found in a survey in late 1998 to have failed to implement compliance measures 公署在一九九八年底对本港网址进行的抽样调查中，发现这些网址并不符合条例的规定。
Total is not equal to the sum of regional figures . 2 . the data in 2001 didn ' t include the potato 注： 1 .全省粮食产量为抽样调查数，与分市相加不相等。 2 . 2001年各市稳定播种面积和产量不包括马铃薯。
An ecological understanding of quot; a harmonious society quot; : investigation jiangsu examinees ' english writing presentation in the 2005 entrance examination 对江苏05年高考英语作文试卷的抽样调查
