repetition
特殊用法delayed repetition1.■延后重复(程序教学)distributed repetition1.■分段复习fringe repetition1.■条纹重复性image repetition1.■图象重复, 图象重现impulse repetition1.■脉冲重复independent repetition1.■独立反复iterative repetition1.■迭代反复pulse repetition1.■脉冲重复stress repetition1.■应力重复symmetrical repetition1.■对称重复