economic thresholds 中文意思是什麼
economic thresholds
解釋
經濟閾值- economic : adj. 1. 經濟學的;經濟(上)的;實用的。2. 〈罕用語〉經濟的,節儉的。3. 〈委婉語〉故意隱瞞的。
- thresholds : 臨界值值
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Maximum economic yield programs require research that develops economic thresholds for the need to apply disease control measures, . especially excessive amounts of tillage and the use of fungicides
最大經濟產量研究中,必需為必要防病措施制定一個經濟閥值,避免耕地次數過多或施用殺真菌劑過多。
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