大量用于实验的动物生活不健康可能导致研究人员结果误判。 没有意识到这一点将导致治疗性药物研发继续在错误的轨道上进行。
Failure torecognize that many laboratory animals live unhealthy lives may be leadingresearchers to misinterpret their findings, potentially misdirecting efforts todevelop theraputic drugs.
该模型火车安装有合成的放射性同位素(中子或者说能量的来源)，在模型列车轨道上进行连续3天的循环，以协助通知其他聚变实验。
This model train was mounted with a synthetic radioisotope (a source of neutrons - or energy) and sent on a continuous three-day loop on hobby train tracks to help inform other fusion experiments.
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