英语词汇“stage of formal operation”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	stage of formal operation
释义	stage of formal operation 形式运算阶段
随便看	x ray spectrogram x-ray spectrogram X-ray spectrogram X x ray spectrograph X-ray spectrograph x-ray spectrographic telescope X-ray spectrograph X x ray spectrography x-ray spectrography x ray spectrometer X-ray spectrometer x -ray spectrometer X-ray spectrometer arrangement X-ray spectrometers X-ray spectrometer X x-ray spectrometric analysis x ray spectrometry x-ray spectrometry x -ray spectrometry X-ray spectrometry X x ray spectrophotometer X-ray spectrophotometer x-ray spectrophy X-ray spectroscope apparatus x ray spectroscopic analysis