iff

美 [?f] 　英 [?f]

• conj.當(dāng)且僅當(dāng)；在而且只有在…時
• abbr.(=identification): friend or foe 【軍事】敵我識別器
• 網(wǎng)絡(luò)國際金融論壇(International Finance Forum)；敵我識別器(Identification Friend of Foe)；敵我識別系統(tǒng)

英漢雙解

英漢解釋

abbr.

1. (=identification): friend or foe 【軍事】敵我識別器,敵我識別系統(tǒng)

英英解釋

conj.	1. a word used in mathematics and logic meaning “if and only if”
abbr.	1. (=identification)

例句

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

我希望市民多點參加電影節(jié)，令電影節(jié)的氣氛更為熱鬧，使它真的仿如節(jié)日一樣。

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

是聰明的當(dāng)且僅當(dāng)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.

定義：一個數(shù)據(jù)庫D分區(qū)P是尖沙咀，就涂森林華賦層次性（P，圖）是一個傳遞半樹。

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

還有一個技巧是打開IFF應(yīng)答機偽裝成德國飛機，然后瞄準并擊落他們。

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

IFF系統(tǒng)可識別戰(zhàn)斗區(qū)域內(nèi)的聯(lián)合目標(biāo)，快速分類和確定目標(biāo)優(yōu)先次序。

The IFF had not tracked bonus levels before 2007.

國際金融協(xié)會沒有追蹤2007年之前的獎金發(fā)放情況。

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

如果我成為副董事我需要我自己的人來為我工作

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

順帶一提，德國人也有他們自己的IFF裝備，但遠不如我們的完善。

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

庫爾特上載了佛瑞德的軍銜變化，他的敵我識別標(biāo)志閃爍著變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.

防務(wù)電子公司已向北約幾個國家交付許多敵友識別系統(tǒng)，用于陸軍和海軍。

S is wise iff S has extensive factual knowledge about science, history, philosophy, literature, music, etc.

是聰明的當(dāng)且僅當(dāng)S具有關(guān)于科學(xué)、歷史、哲學(xué)、文學(xué)、音樂等等上的廣泛的事實知識。

The radar includes a fully integrated Identification Friend or Foe (IFF) interrogator system.

該雷達包含一個完全集成的敵我識別系統(tǒng)。

The result shows that weakly R(L)-induced spaces are connected iff its R(L)underlying spaces are connected correspondingly.

它表明：R（L）弱誘導(dǎo)空間是連通的當(dāng)且僅當(dāng)其R（L）底空間是連通的。

The data processing system can record, save and operate the data from the radar, IFF, navigation and other equipment in the aircraft.

數(shù)據(jù)處理系統(tǒng)，能記錄、存儲和處理來自雷達、敵我識別器、通信、導(dǎo)航和引導(dǎo)系統(tǒng)以及其它機載數(shù)據(jù)搜集和顯示系統(tǒng)的數(shù)據(jù)。

TIC patched the system into IFF , sir, but couldn't raise a signature or profile.

戰(zhàn)術(shù)情報中心把這個系統(tǒng)補充進了敵我識別系統(tǒng)，長官，但是不會有簽名或者描述。

IFF International Flavors and Fragrances Inc.

國際香料公司美國

Identification Friend-or-Foe( IFF )system is very important in modern warfare.

敵我識別（IFF）系統(tǒng)在現(xiàn)代戰(zhàn)爭中占有極為重要的地位。

Osean Fleet We're taking friendly fire! Turn on the IFF system!

我們正在向友軍開火！打開IFF（敵我識別）系統(tǒng)！

According to the contract, Thales will deliver IFF for the whole Indian fleet of 63 MiG-29.

根據(jù)合同，Thales公司將為印度整個機隊共63架米格-29戰(zhàn)斗機提供敵我識別詢問應(yīng)答器。

For some food, iff you don't have a taste you won't know how delicious it is.

有些東西你吃過，但是你不會知道它甘甜可口；

S is wise iff S knows how to live well.

是聰明的當(dāng)且僅當(dāng)S知道如何生活地好。

Several Azimuth Zero Correction Methods for the IFF System Deployed on Mobile Platforms

機動平臺識別器方位零值的幾種標(biāo)校方法

general specifications for iff airborne interrogator

敵我識別機載詢問機通用規(guī)范

general specification for iff airborne transponder

敵我識別機載應(yīng)答機通用規(guī)范

general specification for iff ground interrogators

敵我識別地面詢問機通用規(guī)范

general specification for iff naval interrogators

敵我識別海用詢問機通用規(guī)范

Pseudo-random Code and Its Generation in Missile IFF System

導(dǎo)彈敵我識別系統(tǒng)中偽隨機碼及其實現(xiàn)

Techniques of a New Cooperative IFF System

新型協(xié)同式敵我識別系統(tǒng)技術(shù)研究

AIMS - Airspace Traffic Control Radar Beacon System IFF Mark XII System

空中交通監(jiān)控雷達信標(biāo)系統(tǒng)敵我識別標(biāo)志XII系統(tǒng)

general specification for iff naval responders

敵我識別海用應(yīng)答機通用規(guī)范

Research on the Algorithm of Encryption in Non-cooperation IFF System

非協(xié)作式敵我識別系統(tǒng)數(shù)據(jù)加密算法研究

MK XII IFF System and Its Countermeasure

敵我識別系統(tǒng)及其對抗

The Intergovernmental Forum on Forests, IFF

森林政府間論壇

Study on the countermeasure against Laser IFF System

對激光敵我識別系統(tǒng)的對抗問題研究

Selected for the Tiger Award Competition IFF Rotterdam 2001

入選2001年鹿特丹IFF虎獎競賽單元

Design and realization of coder in missile IFF system

導(dǎo)彈敵我識別系統(tǒng)中密碼器設(shè)計及實現(xiàn)

Study of Laser IFF System

激光敵我識別系統(tǒng)

Research on Microwave IFF System

基于一種嵌入式微控制器的微波敵我識別系統(tǒng)研究

IFF Systems Based on Different Ways to Acquire Information

基于不同信息獲取方式的敵我識別系統(tǒng)