正题和反题 thesis and antithesis

反问题 [数] Inverse problem ; Inversion Problem Arising in Economics ; Inverse Dynamics

大地主题反解 [测] inverse solution of geodetic problem ; Geodesic inverse problem

问题反馈 Feedback ; Report a Problem

试题反应理论 IRT

反命题 [数] inverse proposition ; counterproposition ; contrary proposition

相反命题 [数] contrary proposition

仔细听题、快速反应 Listen carefully and respond quickly ; Listen n carefully and respond quickly