dfb 中文意思是什麼
dfb
解釋
德國足協-
Fc bayern dfb cup campaign ended in the quarterfinals
德國杯止步於四分之一決賽。 -
Dfb testing of ceramic raw and semi - finished materials ; determination of fire resistance of refractory bricks under load
陶瓷原材料和半成品材料的檢驗.耐火磚加壓耐火性 -
It laid a foundation for implementing ntp through developing moh tb project, dfb project and inner mongolia project
通過開展衛生部加強與促進結核病控制項目和達米恩，為結核病防治工作和實施規劃奠定了基礎。 -
A new laser source of optical communication, erbium - ytterbium codoped phosphate glass waveguide laser that was provided with more prominent performance than semiconductor distribution feedback ( dfb ) laser, has been investigated globally from 1990s. the laser can meet many rigorous demands of wdm systems. the 1. 54 m laser emitted by the laser accords with the interrelated standard of international telecommunications union ( itu ), therefore, a splendent foreground can be predicted about this kind of laser in future optical communication
基於鉺、鐿摻雜磷酸鹽玻璃基片的光波導激光器是一種新型通信光源，具有傳統的分佈反饋半導體激光器所不能比擬的優點，能滿足波分復用/密集波分復用技術對光源提出的諸多高新要求，所發射的1 . 54 m激光符合國際電信聯盟規范，在未來光通信中有著廣闊的發展前景。 -
Based on the rate equation and the temperature characteristic of the ld, the temperature control object model and the temperature control error of dfb - ld are analyzed. then the power and wavelength output characteristic is farther analyzed
首先從ld的溫度特性入手，分析了分佈反饋式ld （ distributefeedbacklaserdiode ， dfb - ld ）的溫度控制誤差、溫度控制對象。 -
Relaying transmitter module adopts high efficient dfb laser
中繼光發射模塊採用高性能分佈反饋式dfb激發器 -
Ea - dfb : electricity absorb - distributed feedback
電吸收分佈反饋 -
Sensitive wavelength - modulated photoacoustic spectroscopy with dfb diode laser
靈敏的基於分佈反饋式半導體激光波長調制光聲光譜 -
Two - segment distributed feedback ( dfb ) semiconductor lasers can achieve tuning with single longitudinal mode in a certain wavelength range ; at the same time, its superiority also includes bistablity and wavelength conversion
其中，兩段式分佈反饋（ distributedfeedback ， dfb ）半導體激光器可以在一定波長范圍內實現單縱模、可調諧工作；同時，它還具有雙穩、波長轉換等功能。 -
So it can be expected that two - segment dfb lasers will play important roles in future dwdm and multi - wavelength network
因此，兩段式dfb激光器可望在密集波分復用以及多波長網路中獲得應用。 -
A consortium including fifa, the international soccer federation, and the german football association dfb donated 1. 2 million euros to make this year ' s play - off the first sporting event to offset its carbon dioxide emissions by investing in three renewable energy projects
包含國際足球聯盟（ fifa ）與德國足球協會（ dfb ）在內的一個集團，捐贈了120萬歐元，希望藉由投資三個再生能源計畫，讓世足賽成為抵消其二氧化碳排放量的第一個運動賽事。 -
In this paper the average field is used to describe the carrier in each segment based on the carrier distribution in two - segment dfb lasers and the strict coupled wave theory is used to describe the photon density. combined with these two methods, the threshold condition expression has been derived for the first time
基於兩段式dfb激光器中的載流子分佈事實，本文對每一段內的載流子濃度用平均場方法處理；對于激光器內的光場分佈則應用嚴格的耦合波理論進行研究，通過將這兩種方法有機結合，首次導出了兩段式dfb激光器的閾值條件表達式。 -
Yet until recently the dfb was highly successful
然而也只是在最近一段時間，足協的變革才大獲成功。 -
The dfb, with 6. 3m members, acts like a state within a state
德國足協擁有6300萬會員，其職能相當于「國中之國」 。 -
5 high isolation filter, easy for the division of frequency ; 6 return laser adopt dfb laser, multi ports have the same return panel
6回傳激光發射採用有致冷量子阱dfb激光器，多口共用一個回傳功能板，即插即用。 -
Inner mongolia government and health bureau paid great attention to tb control work, and gradually developed moh tb project ， dfb project and inner mongolia project in 54 counties from 1993, dots coverage is 64 %, 14 000 smear positive case were detected and cured
區政府和衛生廳十分重視結核病防治工作， 1993年始逐步在54個縣開展了衛生部加強與促進結核病控制項目、達米恩項目內蒙古自治區項目， dots策略覆蓋率達64 % ，發現和治愈了1 . 4萬例塗陽肺結核病人。 -
Iransportspress. com : first, we ' d like to congratulate you for winning the german bundesliga and dfb cup this year
問：首先，恭喜您今年贏得了德甲與德國杯的冠軍。 -
Uses high efficient dfb laser
採用高性能分佈反饋式dfb激光器 -
Dfb - ld distributed feedback ld
分佈反饋型 -
Dfb distributed feedback
分佈反饋激光器
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