... restore e vt. 恢复, 使回复, 归还, 交还, 修复, 重建 retention n n. 保持力 retort t v. 反驳, 反击, 回报 n. 曲颈甑, 曲颈瓶, 蒸器 ...
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retention n time 保留时间 ; 停留时间
retention n curve 记忆力曲线
retention n period 保管期限
retention n by assay 保持量的检测
retention n of water 水分保持
The main aim of this thesis is to research the transporting regulation and the retention effect of N and P for the different dimensions pond wetland system.
本论文主要研究在不同尺度条件下水塘湿地系统中氮、磷输移规律及截留效应。
From the N balance trials, it can be inferred that broiler reared under IL have improved DM digestibility andefficancy of dietal N retention.
氮平衡试验表明,IL可提高干物质消化率和氮利用效率。
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