“contrast design”的概念、定义、翻译、参考文献-科学参考

单词	contrast design
释义	contrast design Encyclopedia 工学试验设计释 contrast design对比设计设计两组或两组以上的实验组，各实验组一开始的实验条件相同，然后在实验过程中分别加入不同的物质或直接改变因素水平，再将各组实验组的结果进行对比的实验设计类型。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。