其中一项试验中，研究人员向每一位参与者展示了一堆笔，并声称这些笔来自先前的一项实验。
For one trial, each participant was shown a pile of pens that the researcher claimed were from a previous experiment.
这些模型中的一个或者两个都将帮助研究人员在试验田测试他们的想法——目前大部分是在实验室里完成的。
One or both of these models will help researchers test their ideas—so far mostly done in the lab—on test plots.
方法采用悬液定量杀菌试验和动物毒性试验方法进行了实验研究。
Methods suspension quantitative germicidal test and animal toxicity test were used to carry out experimental study.
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