“experimental before-after design”的概念、定义、翻译、参考文献-科学参考

单词	experimental before-after design
释义	experimental before-after design Encyclopedia 理学实验设计释 experimental before-after design实验前后设计对被试进行实验处理，并将处理前与处理后的观测结果进行对比，以得到实验处理效用的实验设计。
随便看	proton event proton exchange membrane proton-exchange membrane proton exchange membrane fuel cell proton exchange membrane fuel cell (PEMFC) proton exchange membrane, PEM proton excited X-ray fluorescence spectrometry proton excited Xray fluorescence spectrometry proton flare Proton flares proton halo proton halo nucleus proton hydrate protonic acid protonic base proton-induced X-ray proton-induced X-ray emission proton induced X-ray emission analysis proton-induced X-ray emission (PIXE) proton induced X-ray fluorescence spectrometer proton-induced X-ray, PIX proton irradiation protonium proton knife rooms proton linear accelerator

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