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iff

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iff IFF ＝ identification: friend...

IFF ＝ identification: friend or foe 【軍事】敵我識別器，敵我識別系統。 “aas iff“ 中文翻譯：   引導的與過去相反的虛擬“brndby iff“ 中文翻譯：   邦比“das iff“ 中文翻譯：   引導的與現在事實相反的虛擬“iff beacon“ 中文翻譯：   敵我識別信標“iff challenge“ 中文翻譯：   敵我識別詢問“iff comparison“ 中文翻譯：   敵我識別器艙“iff device“ 中文翻譯：   敵我識別器; “敵我”識別器“iff mode“ 中文翻譯：   敵我識別方式“peck iff“ 中文翻譯：   佩克斯列夫式的“fixed frequency iff“ 中文翻譯：   定頻友敵鑒別儀“friend or foe identification (iff)“ 中文翻譯：   敵友識別“identification friend（or foe） iff“ 中文翻譯：   敵我識別器“identifier of foe or friend(iff)“ 中文翻譯：   敵我識別雷達“iff (friend or foe identification)“ 中文翻譯：   敵友識別“iff inernational freight forwarder“ 中文翻譯：   國際性貨代“iff interchange file format“ 中文翻譯：   文件交換格式“institute of freight for warder (iff)“ 中文翻譯：   貨運承攬業協會“ife簿“ 中文翻譯：   ife virus“ifex“ 中文翻譯：   東京國際花展; 國際言論交流自由“ifeverybodylookedthesame“ 中文翻譯：   如果每個人都看起來一樣“ifetroban“ 中文翻譯：   伊非曲班“ifetesene“ 中文翻譯：   伊弗泰桑山

The first chapter , main instead “ duo - ring “ condition of “ every maximal left ideal is gw - ideal “ condition , study strongly regularities of gp - v - ring on this condition . lt is shown that ( 1 ) r is strongly regular iff r is left gp - v - ring whose maximal left ideals are gw - ideal . ( 2 ) r is strongly regular iff r is left gp - v - ring whose maximal right ideals are gw - ideal . the second chapter , generalize some results of gp - v - ring to gp - v - ring , discuss regularity of gp - v ' - ring . it is shown that ( 1 ) r is left self - injective regular with non - zero socle iff r is left gp - v - ring with soc ( rr ) = soc ( rr ) and r contains an injective maximal left ideal 第一章主要將“ duo -環”條件替換成“每一極大左(右)理想是gw -理想”條件，研究在此條件下， gp - v -環的強正則性，證明了： ( 1 ) r是強正則環當且僅當r是左gp - v -環且r的每一極大左理想是廣義弱理想； ( 2 ) r是強正則環當且僅當r是左gp - v -環且r的每一極大右理想是廣義弱理想，第二章，主要將gp - v -環上一些結果推廣到gp - v -環上，討論gp - v -環的正則性，證明了： ( 1 ) r是左自內射正則環且soc ( _ rr ) 0當且僅當r是包含內射極大左理想的gp - v -環，且soc ( _ rr ) = soc ( r _ r ) ； ( 2 ) r是正則環且每一極大本質左理想是理想當且僅當r是左gp -內射的左gp - v -環且每一極大本質左理想是理想。

If authibmdb2authoritative is “ off , “ then iff the user is not found in the database , let other auth modules try to find the user 如果authibmdb2authoritative為“ off “ ，當在數據庫中沒有發現用戶時，則讓其他認證模塊嘗試發現用戶

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，令電影節的氣氛更為熱鬧，使它真的仿如節日一樣。

iffy

The concept of basic implication algebra and implication algebra on a partial ordered set are obtained by studying the conditions which the implicative operator in a logic system should be satisfied . then the basic properties with different conditions and the characterizes of implication algebra are given . the iff conditions of a ( basic ) implication algebra to be regular are discussed 基于對邏輯系統中蘊涵算子應滿足條件的分析，引進了偏序集上基礎蘊涵代數和偏序集上蘊涵代數的概念，得到了其在不同條件下的基本性質，給出了(基礎)蘊涵代數的特征刻畫，以及偏序集上(基礎)蘊涵代數成為正則的充分必要條件。

Traditional laser iff has poor security because of low frequency of laser beam coded pulse . this can be greatly improved when the pulses are modulated by continuous wave laser , but the power of this laser beam output is so low that it ’ s difficult to be detected and received by laser warning subsystem 傳統的激光敵我識別器激光編碼脈沖頻率低,通信保密性差,使用連續波激光器經調制后激光編碼脈沖頻率高,保密性好,但輸出激光功率較低,難以達到激光告警分機探測接收的要求。

In 1986 , in the paper [ 1 ] junnila proved the result : a space is hereditarily metacompact iff its every scattered partion has a point finite open expansion . and in the paper [ 2 ] , by the example 3 . 2 zhu peiyong proved that the hereditarily paracompact spaces have no a similar characterization to junnila ' s Junnila在文[ 1 ]中證明了：一個空間是遺傳亞緊的當且僅當它的每個散射分解有一個點有限的開膨脹。而朱培勇在文[ 2 ]中用例3 . 2從反面證明了：遺傳仿緊空間不與空間的每個散射分解有局部有限的開膨脹等價。

Based on analysis of soil physical , chemical and biological properties , soil properties and soil integrated fertility index ( iff ) of different successional series of subalpine coniferous in western sichuan were systematically studied . the results showed soil fertility degradation of subalpine coniferous forests was mainly related to decrease of soil organic matter 從土壤物理、化學和生物學性質角度出發，系統地研究了四川西部亞高山針葉林不同演替階段土壤性質和土壤綜合肥力指標值，結果表明：川西亞高山針葉林土壤性質主要受土壤有機質的影響，人工林地土壤肥力質量退化主要由于有機質的減少并導致相關土壤物理、化學和生物學性質惡化。

The first chapter , main instead “ duo - ring “ condition of “ every maximal left ideal is gw - ideal “ condition , study strongly regularities of gp - v - ring on this condition . lt is shown that ( 1 ) r is strongly regular iff r is left gp - v - ring whose maximal left ideals are gw - ideal . ( 2 ) r is strongly regular iff r is left gp - v - ring whose maximal right ideals are gw - ideal . the second chapter , generalize some results of gp - v - ring to gp - v - ring , discuss regularity of gp - v ' - ring . it is shown that ( 1 ) r is left self - injective regular with non - zero socle iff r is left gp - v - ring with soc ( rr ) = soc ( rr ) and r contains an injective maximal left ideal 第一章主要將“ duo -環”條件替換成“每一極大左(右)理想是gw -理想”條件，研究在此條件下， gp - v -環的強正則性，證明了： ( 1 ) r是強正則環當且僅當r是左gp - v -環且r的每一極大左理想是廣義弱理想； ( 2 ) r是強正則環當且僅當r是左gp - v -環且r的每一極大右理想是廣義弱理想，第二章，主要將gp - v -環上一些結果推廣到gp - v -環上，討論gp - v -環的正則性，證明了： ( 1 ) r是左自內射正則環且soc ( _ rr ) 0當且僅當r是包含內射極大左理想的gp - v -環，且soc ( _ rr ) = soc ( r _ r ) ； ( 2 ) r是正則環且每一極大本質左理想是理想當且僅當r是左gp -內射的左gp - v -環且每一極大本質左理想是理想。

Beginning from 1994 , the film programmes office has been replenishing the iff catalogue list by putting out new editions of out - of - print titles . this endeavour is now relayed to the hong kong film archive , the mission of which is to systematically acquire , verify and study our film relics 歷屆電影節回顧特刊陸續售罄，電影節目辦事處于九四年著手出版修訂本，資料館現既已成立，有系統地作資料搜集考證和探討，遂亦接手修訂的工作。

And particular study are made on how to implement these rules in engineering , the study include two parts : one is the disignation and realization of dsp hardware system for signal identity , the other is disignation and realization of real time decode by using fpga 然后對iff信號的各種類型碼的格式進行了介紹，在此基礎上從理論方面對于iff信號的識別作了比較深入的分析，根據其不同特征總結出各種判斷準則。

The application and risk control mechanisms of iif are developed with the references of the characters of venture capital and security investment fund . iff is between the level of venture capital and security investment fund 產業投資基金的運作機制和風險控制機制，是借鑒已經比較成熟的創業投資基金和證券投資基金運作特點、并加以發展形成的，產業投資基金處于創業投資基金與證券投資基金之間的層次上。

And the general system is descript , such as its structure and working principle . then each type of iff signal and its format is intrduced . after analying each type of iff signal in - depth , it bring forward identity rule corresponding to it 本文就是在上述背景下，首先對所實現系統的整體結構組成和工作原理作以簡要的介紹，主要講述與論文相關部分在總系統中的作用以及其工作流程。

Secondary surveillance radar ( ssr ) is a key equipment in air traffic control ( atc ) and military identification friend or foe ( iff ) , ssr is a hot issue in radar signal processing 二次雷達ssr ( secondarysurveillanceradar )是民航空中管制( airtrafficcontrol )和軍事敵我識別( identificationfriendorfoe )系統中的關鍵部分,是國內外雷達信號處理領域的研究熱點。

There are many valuable information in signal . if the information be obtained , it will be of great help for the win of campaign . this dissertation first introduces the applying background of study 如果能夠對敵方的iff信號進行有效地偵察，可以從中獲取有價值的情報，對于支援作戰行動，爭取戰場的主動權有極為重要的意義。

Iff the end of the 20th century , a great breakthrough was made in the exploration of the oolitic beach gas deposit in east sichuan and the great gas - bearing potential of the oolitic beach reservoir is realized once again 20世紀末，川東鮞灘氣藏勘探取得重大突破，人們再一次意識到鮞灘儲層含油氣性的巨大潛力。

Laser weapons and their countermeasures are more important on modern battlefield , and iff ( identification between friend or foe ) system using laser technology is useful to gain victories 現代戰場上,激光武器及其對抗已顯得日益重要,采用激光技術實現目標間敵我識別,也成為戰場制勝的有效手段。

The job for lucky and flo will be to iff out optical discs in luggage or other containers , and stop the discs from getting to manufacturing plants where they can be reproduced 獵犬拉基和弗洛的工作是嗅出隱藏在行李箱和其它容器中的光盤，防止這些光盤被帶到加工廠去復制。

For system iii , it is structurally stable if and only iff ; for system iv , it is structurally stable if and only if p1 , p2 , p3 0 系統3為結構穩定的充要條件是e 0系統4為結構穩定的充要條件是月人， gxo ?系統5為結構穩定的充要條件是片xo

If authibmdb2authoritative is “ off , “ then iff the user is not found in the database , let other auth modules try to find the user 如果authibmdb2authoritative為“ off “ ，當在數據庫中沒有發現用戶時，則讓其他認證模塊嘗試發現用戶