iff

iff

• conj.(if and only if 的简写，用于数学和逻辑学中)：在而且只有在…时

IFF

• abbr.
  • Identification Friend or Foe 【军事】敌我识别器,敌我识别系统
  • International Football Federation 国际足球联合会

• restorationer
• aberrant
• black-headed gull
• allothigenes
• adaptive control
• managed currency
• have the pleasure of
• winie
• make someone's teeth chatter
• hyperbolisms
• demivierges
• outdistances
• punch the air
• NMSQT
• partitioned
• Najdi
• Rio de la Plata
• collier
• subsist upon
• alkyls
• off balance
• be the shadow of one's former self
• japanese black pines
• kiss and be friend
• oligocythemia
• proof sheet
• Cutler feed
• device numbering
• thermobattery
• h.c
• acellular slime mold
• cosmological argument
• widget
• ECOMS
• give sb an inch (and they'll take a mile/yard)
• discretionary
• there is no harm in (sb's) doing sth
• pygmy
• toepieces
• shorten the arm of someone
• transistor biasing
• press lord
• cirrocumulus
• operoseness
• be a terror to
• anti-intellectuals
• revolvingly
• traveler's joy
• fortuitous
• take sb/sth by surprise
• ophthalmoscopist
• make a concession to
• fronton
• Trigonalidae
• fixed或fixt
• rentes
• dopa decarboxylase
• pentails
• goofy surfer
• blackmores
• self-esteem
• lay aside
• rummer
• canzonettes
• dry-rotting
• allantoinases
• Derna
• think big
• ulan bators
• rehandled
• osteoporosis
• detainingly
• thickheadedly
• Tercom
• grasseaters
• sheesh
• male cow
• whoppings
• atmospheric structure
• not care to do sth
• briefcase computers
• joshuas
• levigators
• statically
• toponomies
• couturieres
• give the bullet
• polymerize
• concertized
• 1, 3-butylene glycol
• overprescription
• pipe to a different tune
• illuviations
• parl. proc.
• Beard, Daniel Carter
• Madison square Garden
• could/might just as well…
• deindustrialise
• commercial letter of credit
• Dictaphone