原焦油 crude tar ; primary tar

原焦虑 primal anxiety

原焦油和粗苯 Crude tar and crude benzole

强聚焦原理 strong focusing principle ; alternating gradient focusing principle ; principle strong-focussing

交变陡度聚焦原理 alternating-gradient focusing principle

原始焦点校正器 prime-foucs corrector

焦点抗原 HBcBg

聚焦原理 hydrodynamic focusing

聚焦原创 focus on original production