星形鏈 的英文怎麼說
中文拼音 [xīngxíngliàn]
星形鏈
英文
star chain-
Dsmv is proved as the predominating virus - pathogen on aroid plants from zhejiang province and other regions in china. cdna of dsmv rna 3 " end partial sequence and subgenomic rna promoter region of cucumber mosaic virus ( cmv ) rna3 were used as probes for detection of dsmv and cmv respectively. total rna extracted from field samples were used for rna dot - hybridization
用侵染馬蹄蓮的dsmv3末端序列和黃瓜花葉病毒（ cmv ）的亞基因組啟動子區互補dna序列為標記探針，對自然感病的天南星科植物進行rna斑點雜交，並結合雙鏈rna分析、病毒提純和形態學觀察，對杭州等地16屬天南星科植物的81個樣品進行了病毒鑒定。In this paper we focus on the design of orbit of formatting fly, satellite on - board management system and interlink of satellite formatting
本文對編隊飛行隊形及軌道設計，編隊小衛星星務管理系統以及星間鏈路協議作了較為深入的研究。One of the most important events in the history of the development of tv technologies is the implementation of digital compression technology, which leads tv industry into a new rapidly developing stage. with satellite, cable and terrestrial transmission channels, dvb, of which the digital compression is the core technology, has such features as two - way channels, interactive functions, etc. in dvb system, the information of video, audio and text is digitalized and integrated to form a new kind of tv program. furthermore, through online digital information broadcasting, people can browse information of other programs while watching several programs just as they have done on the internet
電視技術發展史上最重要的里程碑是數字壓縮技術的廣泛應用，它將電視事業帶入一個新的高速發展時期，以數字壓縮為核心技術的數字電視廣播通過衛星有線和地面傳輸具有多功能雙向傳輸交互性等特點，不僅將圖像聲音和文字等信息數字化，而且將有關信息相互鏈接並有機地結合在一起形成了新的節目形態，特別是其採用了數字信息在線廣播方式，觀眾在收看到多套節目的同時還可以像訪問網際網路那樣瀏覽其它節目信息。The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus
衛星天線伺服控制系統以正弦波永磁同步電機作為驅動電機，採用多邊形磁鏈軌跡法（電壓空間矢量法）的控制策略；動量平衡電機採用永磁無刷直流電機，通過電流環、速度環達到快速、精確跟蹤驅動電機的目的，確保了衛星姿態恆定；設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制，並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。Based on chinese tracking and data relay satellite ( ctdrs ) in the future, the antenna pointing control and complex control theory of user satellite are studied deeply in this dissertation, which is funded by the improve item of dept. of astronautic engineering and mechanics ? “ the teaching demonstration of antenna pointing control system in tdrss ”. the main contents of this dissertation are consisted of the following parts : firstly, dynamics equation is derived using lagrange equation for user satellite, so as the kinetics equations of user satellite at the same time are expressed in the form with matrix differential equations that is suitable for attitude control system design and analysis
本學位論文結合航空宇航科學與技術學科研究生教學基地實驗室建設項目「中繼系統星間鏈路天線指向控制系統教學與演示實驗」 ，以我國跟蹤與數據中繼衛星系統為背景，對某型號用戶星星間鏈路天線指向跟蹤控制和復合控制理論進行深入的研究，研究內容主要包括以下幾個方面: 1 .利用lagrange方程建立了用戶星的動力學方程，同時推導了運動學方程，並將這組動力學方程以矩陣微分方程形式表示，使之適用於姿態控制系統的設計和分析。In its study with xishu hotel, a five - star hotel in sichuan, as its background, this thesis emphasizes on combining theories with practices, and makes a profound research on the internal and external environment in xishu hotel ' s course of development. at the meanwhile, it inspects and analyses the need of the company in view of its weakness in its functionality in the customer relationship management. on the basis of scientific research and objective analysis, it proposes the strategic importance of crm and elaborates how to implement crm initiative strategically, operationally and analytically under the analytic framework of crm value chain
本文以四川省的一家五星級飯店西蜀賓館為背景，在研究過程中，深入分析了西蜀賓館所處的內外部市場環境，注重理論對實踐的指導;同時針對西蜀賓館在客戶關系管理上的不足，在科學調查與客觀分析的基礎上，提出了引入客戶關系管理思想，並在客戶關系價值鏈的分析框架內對西蜀賓館如何實施crm進行分析，指導西蜀賓館如何在戰略、運營和分析層面實施crm ，以此幫助西蜀賓館形成核心競爭力，並獲得持久的競爭優勢。Yield locus is analyzed when antenna is controlled under either pt mode or at mode. double trapezium velocity locus is designed for pt mode while the helix search algorithm is designed for at mode
對程序跟蹤（ pt ）模式和自動跟蹤（ at ）模式下星間鏈路天線的運動規律進行分析，設計了梯形速度軌跡和螺旋掃描運動軌跡。If it weren ' t for the fact that writer - director quentin tarantino took 12 hours out of his hectic1 life to convince the former superstar to play heroin - addicted hit man vincent vega in his pulp fiction, travolta might have remained a fond throwback to the era of platform shoes and gold chains
若不是劇作家兼導演昆廷?塔倫蒂諾在百忙之中抽出12個小時說服約翰?特拉沃爾塔在他的《低俗小說》中飾演癮君子職業殺手文森特?威格，這位前超級巨星也許現在還是一位屬于坡形高跟鞋和金錶鏈時代的讓人回憶起來還蠻喜歡的昔日大腕。分享友人