另一方面，由于在人口统计学的数据里，增长最迅速的一类人群就是青少年，人们发现这些青少年群体中的女孩，对所有商品来说，都是一个巨大的市场：衣服、化妆品、夹趾拖鞋等等。
On the other hand, because one of the fastest-growing demographics was teenagers, teen girls were discovered as a market for all kinds of things: clothing, makeup, thongs, etc.
方法：对83例新生儿继发性呼吸暂停的临床分析及氨茶碱和洛贝林治疗进行比较，用统计学卡方检验。
Methods:Aminophylline and lobeline hydrochloride were used in treatment of 83 newborn babies with intermittent apnea and statistics by tested in Chi square test for comparison.
方积干，陆盈。现代医学统计学。人民卫生出版社，2002。
Fang J Q, Lu Y. Modem medical statistics (in Chinese). People 's medical Publishing House, 2002.
方法采用《消毒技术规范》(2002年版)有效氯含量测定方法以及标准偏差、方和根等统计学方法。
Methods Valid chlorine content measurement method and statistical methods such as standard deviation, and square and root etc in "Technical standard For Disinfection" (2002 version) was adopted.
进行统计学卡方检验分析。
经统计学卡方检验DA组与TF组之间疗效差异无显著性，两组与GIC组之间疗效差异有显著性。
There was no significant difference between DA group and TF group by chi square test. There were significant differences between GIC group and the other two groups.
结果学习困难儿童中医辨证的虚证和实证与心理行为相关，经统计学处理，两组儿童卡方值有显著差异（P<0.05）。
Results There were significant correlations between behavior and Chinese medicine discrimination, excess syndrome or weak syndrome on children with study difficulty (P< 0.05).
用频数、百分率描述知识和行为情况，采用卡方检验比较不同年级干预前后的差异，P〈0.05为差异有统计学意义。
Diet, exercise and behavioral interventions were performed among the participants. Chi-square test was used to compare the frequencies. P0.05 was considered as significant.
用频数、百分率描述知识和行为情况，采用卡方检验比较不同年级干预前后的差异，P〈0.05为差异有统计学意义。
Diet, exercise and behavioral interventions were performed among the participants. Chi-square test was used to compare the frequencies. P0.05 was considered as significant.
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