... digestion coefficient 消化系数 digestion trial 消化试验 alkali digestion 加碱消化 ...
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But the results of digestion trial showed that the effect of reaping time was important on content and use of nutrients.
但是,消化试验结果却证明,玉米的收割日期对秸秆的养分含量和利用有着重要的影响。
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