ประโยคภาษาจีน : 中文句子 |
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fāng fǎ 方法 cǎi yòng 采用 zhěng 整 qún 群 suí jī 随机 chōu yàng 抽样 fāng fǎ 方法 chōu qǔ 抽取 róng chéng shì 荣成市 yán hǎi dì qū 沿海地区 míng 名 yú mín 渔民 wèi 为 diào chá 调查 duì xiàng 对象 |
Methods The grouped random sampling rule survey was carried out in a sample population of 8757 who lived in seaside district of Rongcheng city. |