半保留复制和逆转录 Semiconservative replication and Reverse transcription

逆转录病毒和逆转座子 Retroviruses and retroposons

偶然和逆偶然 Accident and Converse Accident

顺钟向和逆钟向转位 clockwise and counterclockwise rotation

和逆境作斗争 battle against adversity

和逆转录酶组分 Telomerase Reverse Transcriptase

风险和逆选择问题 adverse selection problem

自动截止和逆止阀 automatic stop and check valve

象和逆象 Image and Inverse Image

调和逆平均曲率 Harmonic inverse mean curvature