星系分類 的英文怎麼說

中文拼音 [xīngxìfēnlèi]
星系分類 英文
hubble sequence
  • 星 : 名詞1 （夜晚天空中閃爍發光的天體） star 2 [天文學] （宇宙間能發射光或反射光的天體） heavenly body...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  • 星系 : [天文學] galaxy; galact-
  1. There are basically five types of binary stars, according to how the binary systems are discovered. thus, some systems could belong to more than one type

    根據雙星發現的經過，我們可以把雙星分為五類，有些雙星系統可同時屬于超過一種類型。
  2. Projects searching for cosmic dust or classifying galaxies clearly appeal to young cybernauts, but what of other, more mundane - sounding tasks

    研究宇宙塵埃或給星系分類的項目顯然能夠吸引青年網迷，但是我們又如何去處理其它聽起來更普通的項目任務呢？
  3. Ofta has issued a notice earlier to the satellite master antenna television ( smatv ) licensees, class licensees of in - building telecommunications systems, operatorsowners of in - building coaxial cable distribution systems ( ibccds ) ( including communal aerial broadcast distribution ( cabd ) systems, closed circuit television ( cctv ) systems, cable television ( ctv ) systems ) to alert the residents that they might need to adjust their vcrs or other equipments to avoid using channel 35 and 37 as radio - frequency ( rf ) output channel for connection to the television sets

    電訊管理局已就此事向本港衛星電視共用天線系統牌照持牌商、樓宇內置電訊系統類別牌照持牌商，以及大廈內同軸電纜系統營辦商擁有人（包括共用天線分佈系統、閉路電視系統、有線電視系統）發出指引，呼籲有關單位提醒其用戶如有需要可調整錄影機或其他器材，避免使用頻道35及37作為接駁電視機的訊號接收頻道。
  4. For the regular curves, we find two killing fields for the purpose of integrating the structural equations of the p - elastic curves and express the p - elastica by quadratures in a system of cylindrical coordinates. for the star - like affine curves, we solve the euler - lagrange equation by quadratures and reduced the higher order structure equation to a first order linear system by using killing field and the classification of linear lie algebra sl ( 2, r ), sl ( 3, r ) and sl ( 4, r ). we solve the centroaffine p - elastica completely by quadratures

    對于正則曲線的情形，我們發現了兩個用於求解p -彈性曲線的結構方程的killing向量場並用積分將p -彈性曲線在一個柱面坐標系中表示出來，而對仿射星形曲線的情形，我們用積分方法解出了歐拉-拉格朗日方程，利用killing向量場及線性李代數s1 （ 2 ， r ） 、 s1 （ 3 ， r ）和s1 （ 4 ， r ）的分類將高階結構方程降為一階線性方程，因此我們用積分完全解出了中心仿射p -彈性曲線。
  5. Chapter 3 proposed a constellation scheme for a regional satellite navigation system. the constellation is consist of geosynchronous satellites and synchronous satellites with elliptical orbit

    第三章在分析了適用於構造區域衛星定位系統的衛星軌道類型后，提出了利用靜止衛星和同步橢圓軌道衛星構造星座的方案。
  6. Automated spectral classification of broad - line and narrow - line active galactic nuclei based on k - nearest neighbour

    近鄰方法的窄線與寬線活動星系核的自動光譜分類
  7. Chapter one briefly summarizes the defined character and classification of active galaxies nuclei ( agns ) presents the energy mechanism and unified schemes of agns

    第一章簡要概述了活動星系核的定義，特徵和分類。介紹了活動星系核能源產生機制和活動星系核的統一模型。
  8. Adopting the new land use classification system, high - resolution digital satellite remote sensing image and domestic geographic information system, this paper analyzes and classifies information of land use of miluo city, and updates the land use database after examining it

    摘要利用高解析度遙感衛星數據，採用國產地理信息系統軟體，在相應數字圖像處理軟體的支持下，採用新的土地利用分類體系，對汨羅市土地利用信息進行解譯分類，經野外核對后更新土地利用數據庫。
  9. This article describes canopy apparent spectral reflectance of three mangrove species at jiulong river estuary reserve using a portable hyperspectrometer, using the spectral data collected in fields to analyze mangrove canopy spectral reflectance characteristics and to compare their differences, the mangrove species distribution classified by using a tideland remote sensing information discrimination software based on spot satellite remote sensing images, and the disadvantage of mangrove spectral reflectance in higher research is discussed

    摘要結合使用野外便攜式光譜儀對九龍江口紅樹林保護區白骨壤、秋茄、桐花樹3種紅樹植物的葉冠表觀光譜的測量結果，系統分析比較了紅樹植物葉冠反射光譜特徵及其差異；並在一個潮間帶底質遙感信息處理平臺上對研究地點進行基於表觀光譜特徵的白骨壤和秋茄的spot衛星遙感圖像分類；最後討論了紅樹光譜研究中存在的問題。
  10. The result was used to adjust relative humidity and to enhance the ability of mm5 mesoscale modeling system to produce accurate forecast of precipitation. we define the air condition includes 5 kinds : the clear sky, semitransparent or fractional cloud, high cloud and low cloud and middle cloud. in this process, we present the method development for the generation of cloud based on gms - 5 images. mm5 ( fifth - generation perm. state / near mesoscale model ) output will be extensively used for the off - line computation of dynamic changeable mutispectral thresholds in order to adapt to variable weather using statistical regressive relations produced by optimal regressive analysis

    基於常規地面觀測資料，將天空狀況分為晴空、半透明雲或碎雲、高雲、中雲和低雲5種情況，用最優回歸分析法對mm5模式的三維要素場和常規地面觀測資料進行統計分析，得出雲判別和雲分類的衛星雲圖多譜閾值的統計關系統計回歸判別方程，對衛星雲圖進行雲判別和雲分類，據此得出mm5中尺度數值模式初始場各點的雲分佈，並對模式初始場的相對濕度進行調整，以達到改善中尺度數值預報模式預報結果的目的。
  11. These findings, on one side, broaden current knowledge about the early evolutionary history of the lycopsid characters, and on the other side, indicate that those satellite taxa should also be taken into consideration besides those whole or almost whole species when making a phylogenetic analysis

    這些植物既拓寬了對石松植物整個譜系的性狀演化的認識，也暗示在進行譜系分析及分類時不僅要基於一些整體植物種或者接近完整的屬種，而且必須重視眾多衛星分類單元的系統位置以及它們的演化意義。
  12. The research and developing of gps / gsm vehicles watch and control system based on analyzing gps positioning technology is discussed in this article. this system is a public security prevention and far distance watching control telecommunication management which has adopt the advanced system in the world including gps / gsm, gis and internet. through this system, all the movable objectives covered by gsm net can be kept being watched and controlled from far distance. the gps data of the movable objectives and different kinds of alarm data will be sent back to the service center through gsm or cable. then the center may send the information of movable objectives " gps data and help alarms that have been already classified and identified to the different departments to deal with linking the consumers through ddn, isdn, pstnand adsl. the advantages of this system is that it adopts mature gps technology and combines the movable telecommunication net - gsm provided by china telecommunicate trades throughout the nation and it can get voice information everywhere. by utilizing internet, vbandsql server computer technology, watch and control center and far distance terminals can aim at how to increase vehicles operating efficiency, decrease wear, promote service quality and build a concentrated system of watch and control, deploy and cammand, scientific management, coordinate and process, and safety in the professions relevant with transfortation of the city

    移動目標的gps數據及各類報警數據通過gsm網路及電信有線網路傳回監控服務中心。該中心可通過ddn 、 isdn 、 pstn或adsl等方式與用戶相聯，將移動目標的gps定位信息，求救信息，報警等信息進行分類確認后，實時傳送到相應的職能部門進行處理。本系統的優點在於利用了成熟的gps全球衛星定位技術，並結合了我國電信行業在全國所開通的gsm移動通訊網路，在話音上實現了全國漫遊等特點，在監控中心和遠程用戶終端利用網際網路技術、 vb數據庫管理系統、 sqlserver分散式數據庫管理系統等計算機技術，可針對城市中與交通有關的各行各業如何提高車輛使用效率，降低損耗，提高服務質量，建立集監控、調度指揮、科學管理、協調運營、安全防範為一體的指揮控制體系，發揮其不可替代的作用。
  13. The researchers behind galaxy zoo, a collaboration between research groups at oxford university and portsmouth university in britain, and johns hopkins university in america, are already writing up the first papers based on the galaxies classified so far

    星系園的背後是一群研究人員，是美國哈佛大學、英國樸次茅斯大學與美國的約翰斯-霍普金斯大學的研究團體共同組成的合作群體，他們已經基於到目前為止分類過的星系而寫下了首批研究論文。
  14. In this article, we review isolation methods, developmental status and genetic characteristics of microsatellites, and their applications in studies on population study, pedigree analysis, assessment of genetic diversity, and construction of genetic maps in the marine mollusks, and analyzed the causes resulting to null allele, stutter bands, short allele dominance and allelic dropout, and their effects on genotyping of microsatellite

    本文對海洋貝類微衛星分離方法、開發現狀、遺傳學特性以及在種群遺傳、家系分析、遺傳多樣性評價等方面的最新研究進展進行了綜述，並分析了微衛星分析中無效等位基因、 「結巴」帶、短等位基因顯性和等位基因「擴增丟失」現象的產生原因以及對微衛星基因型判讀帶來的影響。
  15. The calculating results show : ( 1 ) most of samples are located in 5 kpc - 10 kpc from galactic center. all of the sample clusters present a spherical symmetrical distribution around the galactic center, and their space velocities are presented a ellipsoidal distribution ; ( 2 ) according to the metallicity and basic characters, the sample clusters are separated into hb subgroup and mp subgroup. the number of samples are changed with metallicity [ fe / h ], and there is a peak at [ fe / h ] = - 1. 6 ; ( 3 ) the orbits of sample clusters show mostly limited, periodic characteristics, but the orbits are not closed completely, their maximal galactocentric distance is less than 40 kpc

    計算結果表明： （ 1 ）大部分樣本星團都位於銀心距5kpc 10kpc的范圍內，相對于銀心呈球對稱分佈，它們的速度也呈橢球分佈； （ 2 ） 29個樣本星團按其金屬度大小和基本性質分類，可分屬hb和mp兩個球狀星團次系，且樣本星團數隨金屬度[ fe h ]而變化，在[ fe h ] = - 1 . 6處出現一個峰值； （ 3 ）所有樣本星團的軌道運動都呈周期性，大都在一個有界而不封閉的周期軌道上運動，其最大銀心距都在40kpc以內。
  16. From the remote sensing information of huhhot, landscape and ecosystems damaged are very serious. it is showed that farmland, grassland, wetland and urban landscape and ecosystem are damaged by desterification, soiland water loss, salinization pollution and species reduction. so recovery and re - building of landscape ecosystems are fundamental ways to thorough improve ecological environment in huhhot

    從衛星遙感解譯信息了解，呼和浩特市景觀與生態系統受損較為嚴重，主要表現為農田、草原、濕地、城鎮等景觀與其它生態系統受到沙化、水土流失、鹽漬化、污染以及物種減少等方面的損害.通過合理規劃、分區分類恢復重建和建設自然保護區、生態示範區、開發潛在資源等措施，可以逐步改善呼和浩特市地區的生態環境
  17. Overview of universe ; solar system ; inter - stellar distance ; properties of stars ; classification and evolution ; star nebulae ; star cluster, structure and classification of glaxies ; cosmology ; observateries and telescopes

    宇宙概觀、太陽系、星距量測、星的性質、分類與演化、星雲、星團、銀河、系結構分類、宇宙論、天文臺及望遠鏡。
  18. It has long been known from observations that the metallicity distribution of galactic gcs shows bimodal structure. in recent years the same distribution feature has also been found in other galaxies. how to explain this phenomenon is a challenge to the formation and evolution of gcs

    觀測發現銀河系和其它星系中的球狀星團系統普遍表現出類似的金屬度分佈雙峰結構，這一分佈特徵成為研究球狀星團形成與演化極為重要的觀測約束條件。
  19. 3. according to the algorithm of attribute reduction, auto - classification system about stellar spectrum data is designed and implemented through using visual foxpro 6. 0, which automatically extract rules from stellar spectrum

    3 .依據上述屬性約簡演算法，採用visualfoxpro6 . 0數據庫管理系統，設計與實現了恆星光譜數據自動分類系統，實現了恆星光譜分類規則的自動提取。
  20. The construction of input and output sample, designing of classifier and designing of the training network configuration are introduced respectively, some improvement algorithms of bp neural network are discussed. the efficiency of star pattern recognition greatly is improved through ameliorating configuration of network and program method

    介紹了識別系統中輸入、輸出樣本的構造，分類器的設計以及訓練網路結構的設計，討論了基於bp神經網路訓練的一些改進演算法，通過對網路結構與編程方法的改進使星圖識別的效率大大提高。
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