[=reaction research society]反应研究学会
[=reduced residual radiation]减低剩余辐射
[=resonance raman spectroscopy]拉曼共振光谱学,拉曼共振性分光镜检术
[=retrorectal space]直肠后间隙
[=riva-rocci sphygmomanometer]里瓦-罗契(氏)血压计,水银血压计