iff

iff什么意思,iff翻译

基本解释

conj.: 当且仅当；在而且只有在…时
abbr.: (=identification): friend or foe 【军事】敌我识别器
网络: 国际金融论坛(International Finance Forum)；敌我识别器(Identification Friend of Foe)；敌我识别系统

权威解释

• 当且仅当；在而且只有在…时:

  an expression used in mathematics to mean ‘if and only if’

例句

• I WISH MORE PEOPLE CAN JOIN IN THE FESTIVITY OF THE IFF, AND MAKE IT A CELEBRATED EVENT OF THE YEAR.

  我希望市民多点参加电影节，令电影节的气氛更为热闹，使它真的仿如节日一样。

• S is wise iff S believes S does not know anything.

  是聪明的当且仅当S相信自己不知道一切。

• Definition : A partition P of a database D is TST-hierarchical with respect to Tu iff DHG(P, Tu)is a transitive semi-tree.

  定义：一个数据库D分区P是尖沙咀，就涂森林华赋层次性（P，图）是一个传递半树。

• Another trick was to activate German planes" IFF transponders, then home in on them and shoot the planes down.

  还有一个技巧是打开IFF应答机伪装成德国飞机，然后瞄准并击落他们。

• The IFF identifies cooperative targets in the area of operations and enables rapid sorting and prioritization of targets of interest.

  IFF系统可识别战斗区域内的联合目标，快速分类和确定目标优先次序。

• The IFF had not tracked bonus levels before 2007.

  国际金融协会没有追踪2007年之前的奖金发放情况。

• how iff I become vice president I"ll need my own good men to work for me.

  如果我成为副董事我需要我自己的人来为我工作

• Incidentally, the Germans had their own IFF equipment, but it was less sophisticated than ours.

  顺带一提，德国人也有他们自己的IFF装备，但远不如我们的完善。

• Kurt uploaded Fred"s change of rank, and his IFF icon blinked to the star-and-bar insignia of Lieutenant.

  库尔特上载了佛瑞德的军衔变化，他的敌我识别标志闪烁着变成星和杠的上尉徽章。

• Defence Electronics has delivered many IFF systems to several NATO nations for ground and naval applications.

  防务电子公司已向北约几个国家交付许多敌友识别系统，用于陆军和海军。