frobn.开关旋钮; 调着玩
froadv.来回(现仅用于to and fro短语中)
Frohde's reagent福拉蒂
frozen flow head"凝流"式流浆箱,束管稳流网前箱
Frozen platelets冰冻血小板
frozen water oat冻茭白
frozen pork head冻猪头
frozen frog meat冻田鸡肉
frozen dowel bar冻结传力杆
frozen pork tail冻猪尾
frozen belt fish冻带鱼
Frobenius method弗洛比尼斯法