样点灌区
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Head-end measurement method is applied in sample irrigation districts.
样点灌区采用首尾测算分析方法。
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The procedure of sample preparation for residual analysis of organochlorinated pesticides in a paddy soil contaminated by long-term wastewater irrigation was investigated.
研究了不同样品净化方法和方法组合在长年污灌的水稻土有机氯农药残留分析中的效果。
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