For a long time standardizedinstruction is the striking characteristic of classroom instruction in Chinese basic education, the existence of which has the economical , cultural and educational roots.
长期以来划一性教学是我国基础教育课堂教学的突出特征，有其存在的经济文化根源和教育根源。
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It does so by executing the special stop-and-signal assembly instruction with a standardized argument value.