词汇	Case-controlled study
释义	Case-controlled study 病例对照研究
随便看	Optical Packet Switching Technology optical packet transferring optical page reader optical page readeropr Optical Page Reading optical pair optical pantograph optical pantogrpah optical papilla optical parallax optical parallel optical parallel architecture optical parallelism optical parallelism error optical parallel rays optical parallels optical parallel transmission optical parameter optical parameter amplification optical parameters optical parametric optical parametric amplification optical parametric amplifier optical parametric amplifiers Optical parametric chirped pulses ampllfication