?自由水影响    free water effect

?自由波    free wave

?干舷    freeboard

?干舷勘划    freeboard assignment

?干舷计算    freeboard calculation

?干舷甲板    freeboard deck

?干舷船深    freeboard depth

?干舷船长    freeboard length

?干舷标志    freeboard mark

?干舷规则    freeboard rule

?干舷区域    freeboard zone

?出气管    freeing pipe

?泄水口(舷墙)    freeing port (or wash port)

?自支式液货舱柜    free-standing tank

?冷冻器    freezer

?冷冻船    freezing carrier

?冷冻舱    freezing chamber (or room )

?冷冻剂    freezing mixture

?凝固点,冰点    freezing point

?冻结试验    freezing test

?运费,船货    freight

?驳货船    freight lighter

?载货容积吨    freight ton

?载货容积吨位    freight tonnage

?货船    freight vesssel (or freighter)

?货船    freighter (or freight vessel)

?曲线板    french curve

?频率    frequency

?频率分析器    frequency analyzer

?频带    frequency band

?变频机,变频器    frequency changer

?变频机    frequency converter

?频率偏差    frequency deviation

?鉴频器    frequency discriminator

?分频器    frequency divider

?频域    frequency domain

?频率计    frequency meter

?调频    frequency modulation (FM)

?倍频器    frequency multiplier

?频率范围    frequency range

?频率响应    frequency response

?频率合成器    frequency synthesizer