Organic free radicals  有机自由基

natural organic matter in the water  天然水中有机物

organic matter in coal source rock  煤系有机质

organic matter in soil  土壤有机质

organic matter in water  水中有机物

active oxygen free radicals  活性氧自由基

aliasing free in-band  无带内混叠

anions free radicals  阴离子自由基

concentration of nitric oxide in free stream  一氧化氮浓度

DPPH free radicals  DPPH·自由基; DPPH自由基

exogenous oxygen-derived free radicals  外源性氧自由基

fat-free matter  无脂物

FIO free in and out  自由进出

free free beam  自由梁

free free collision  非弹性碰撞

free free transition  自由－自由跃迁

Free In  船东不负担装船费船方不付装货费用; 船方不付装货费用; 船方不负责装货费用船方不负装货费用; 船方不负责装货费用

free in ＆out stowed and trimmed  船方不负责装卸、堆装、平舱费

free in {= FI}  装货自理