ประโยคภาษาจีน : 中文句子 |
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zài 在 nóng hù 农户 diào chá 调查 jī chǔ 基础 shàng 上 cǎi yòng 采用 bǐ jiào 比较 yōu shì 优势 fēn xī fǎ 分析法 duì 对 qǔ zhōu xiàn 曲周县 nián dù 年度 dōng xiǎo mài 冬小麦 chǎn liàng 产量 chā yì 差异 jìn xíng 进行 fēn xī 分析 |
Based on a two-year household survey data, the yield gap of winter wheat in Quzhou County of Hebei Province, China in 2003-2004 was studied through comparative performance analysis(CPA). |