星形域 的英文怎麼說
中文拼音 [xīngxíngyù]
星形域
英文
stardomain-
In the first seconds after a supernova, a region rich in protons emerges around the dead star ' s core, which has most likely collapsed into a neutron star
在發生超新星爆炸后的最初幾秒內,這個死亡恆星的核心(最可能塌縮形成中子星的地方)周圍,會產生一個富含質子的區域。Most of the meteoroids of the leonid meteor stream concentrate in an elongated thin ribbon - like region. the stream orbits around the sun in an elliptical orbit with a period of about 33 years
獅子座流星群聚集於一條狹長的區域內,以極為橢圓形的軌道環繞太陽運行,周期約為Metropolitan circle is the result of industrialization and urbanization, which is the embodiment of centralization and radialization when the metropolis is developing to a certainty, in order to advance the space and economy to conform, to form a corporate area, fabricating the new type of metropolitan circle in which the metropolis is the core is new topic for discussion of innovative space structure of the big ciry this paper combine the theory expatiation and demonstration analysis with comprehensive and new statistics data, and theory model, and discusses the all - around regional development in chengdu area from a new angle, ie : using space structure model of metropolitan circle to develop the overall enhancement of strength in chengdu first, the thesis defmitudes the concept, connotation, and character of metropolitan circle, after that, it discusses the formative mechanism of metropolitan circle from the factors such as market, institution and ect moreover, from the practice of metropolitan circle ' s development in ho me and abroad, it summarizes the significance of the metropolitan circle form for the economic and social development, as well as the experience for reference and the problems we should pay attention to = based on these theories and practice, it brings forward the necessity and strategic significance of building metropolitan circle in chengdu, and analysis its possibilities, it also makes a research on the model of this circle, it innovatively brings forth that the double - polar circle structure of central city - sub central city - satellite town should be builded, through the establishment of index system, the sphere of metropolis circle in chengdu can be set which means the central city, sub center city and satellite town are sett it also analysis how to determine the gravity between center city and circumjacent area, and discusses the function orientation of center city and satellite town at last, it briefly analyses the transportation designing of suburb and city which are imperative for constructing the metropolitan circle in chengdu
本文將理論闡述和經驗實證分析與較全面的最新統計資料,以及理論分析模型分析結合起來,從新的角度深入探討成都的區域整體發展,即以都市圈的空間結構模式促進成都整體實力的全面提高。本論文首先明確了都市圈的概念、內涵及特徵,從市場、等因素探討了都市圈的形成機理,並從國內外都市圈的發展實踐中,總結出都市圈這種空間形式所引起的經濟和社會發展的意義所在,以及我們值得借鑒的經驗和需要注意的問題。在此理論和實踐基礎上,提出構建成都都市圈的必要性及戰略意義,分析其可能性;並且對如何構建成都都市圈模式進行了探討,主要是創新性提出構建中心城市-副中心城市-衛星城鎮的雙極圈域結構,並通過指標體系的建立以確定成都都市圈的范圍,即中心城市、副中心城市和衛星城鎮的確定,以及測定中心城市與周邊地區的引力大小,以及對中心城市和衛星城鎮的功能定位進行了探討。According to the development of urban system, domestic and international scholars bring forward some concepts on it, such as metropolis district, urban agglomerations and metropolitan interlocking region and so on. these concepts are used to analyze the space appearance of urbanism, which is composed of central city, city edge district, urban district and satellite town. on the basis of these, the author puts forward the concept of urban region. the urban region can be divided into great urban region, medium urban region and essential urban region
隨著一定地域內城市體系的不斷完善,國內外學者提出了大城市地區( metropolitandistrict ) 、城市群( urbanagglomerations ) 、都市連綿區( metropolitaninterlockingregion , mir )等對不同規模和層次的城市體系進行描述的概念,這些概念是地域城市化的特殊空間表現形式,是對由中心城市、城市邊緣區、城市遠郊區、衛星城市、人口聚集區的中間地帶及精耕細作的傳統農業地帶等空間要素綜合歸納的結果。A new character for starlike mapping on bounded balanced pseudoconvex domain
有界平衡擬凸域上星形映射的一個新特徵The covering theorems for normalized holomorphic mappings on bounded starlike circular domains in cn
中有界星形圓形域上正規化全純映射的掩蓋定理Decades of observations have established that stars form within so - called molecular clouds : vast agglomerations of cold gas and dust, each with enough material to form scores of suns
在累積了數十年的觀測結果之後,一般相信恆星是在所謂的分子云中形成:在遼闊的冷氣體與塵埃凝聚區域,每朵分子云都擁有足以形成許多太陽核心的材料。The success of modern uavs such as the predator is not due to a single technological breakthrough, but to the combination of innovations in several areas ? faster computers, fly - by - wire controls, satellite navigation, miniaturisation of sensors and fast data - transmission ? into a workable and affordable whole
現代無人機(如「掠奪者」 )的成功並不是單一科技成果的突破而帶來的,而是幾種不同科技領域的創新的綜合? ?更快捷的計算機、遠程駕駛控制、衛星導航、傳感器的微型化以及快速的數據傳輸技術? ?遮掩就形成了一個有利工作並能承受的整體。Nevertheless, because the planet is much closer to its star than the earth is to the sun, it lies in what astronomers call the “ habitable zone ” ? the region surrounding a star where water would be liquid
然而,同地球和太陽之間的距離相比,這顆行星同其恆星的距離要近很多,處于天文學家們稱為「可居住區」地帶? ?恆星周圍水能以液態形式存在的區域。On the other hand, parts of jupiter and saturn have chemicals and atmosphere temperatures suitable for some kind of life.
另一方面,木星和土星的某些區域具有適合某種生命形態生存的化學物質和氣溫。The services of electric power communication network have already expanded from telephone scheduling and transmitting data in low speed to digital user ' s service with high speed and great capacity, such as computer internet, wide area network and video transmission, etc. its structure has already developed from simple star topology, which is used to serve schedular center, to today ' s multicenter network to assure that the network can serve the requirement of increasing transmission of electric power information
電力通信網的業務已從調度電話、低速率遠動數據傳送擴展到高速、數字化、大容量的用戶業務,例如計算機網際網路、廣域網、視頻傳送等。電力通信網的結構也已從單一服務于調度中心的簡單星形方式發展到今天多中心的網狀網路,以保證能為日益增長的電力信息傳輸需求服務。Performance evaluation of star lan queue model with collision avoidance
沖突避免星形局域網排隊模型的性能評價In the second part, we introduce and discuss a new domain constant, the pseudo - hyperbolic radius of starlikeness. we also give some properties of some existing domain constants under the change of quasiconformal mappings
在第二部分中,我們主要引進一個新的區域常數?星形偽雙曲半徑,給出了它的一些性質,並對已有的一些區域常數在擬共形映射下的變化進行討論。The differences in orbital morphologies due to different potentials is slighting, however, given a certain potential, for clusters that have perigalactic distance smaller than 1 kpc, some orbits may exhibit a chaotic behavior. the correlation between the metallicity of samples and the orbital morphologies is unclearly ; ( 4 ) it is found that the semi - major axis, apogalactic distance and azimuth period of 29 sample clusters are changed with their metallicity similarly, but a obvious correlation is seen between orbital eccentricity and metallicity. there is a fraction of 24 % of the sample clusters with eccentricities lower than 0. 4
不同的引力勢模型對球狀星團軌道的具體形態影響不大,在給定的引力勢模型下,當某些星團的運動軌道穿越距銀心1kpc附近的區域時會出現「混沌」現象: ( 4 ) 29個樣本星團的軌道半長軸、遠銀心距和方位周期隨金屬度的變化規律基本相似,樣本星團的金屬度與其軌道形態之間的相關性並不明顯,然而軌道偏心率與金屬度有關,對于所選的暈族樣本星團而言,大約有24的樣本星團的軌道偏心率低於0 . 4 。Rocky planets would form nearest the parent star, with gas giants farther out
石質行星會在靠近起源恆星的區域形成,而氣態的巨行星在外圍形成。Various astronomers, including us, have now surveyed large numbers of fledgling brown dwarfs in nearby young star - forming regions and clusters ( where stars ' ages can be estimated from their color and brightness ), looking for this infrared excess
現在,包括我們在內的許多天文學家,已經在鄰近的年輕恆星形成區域和星團(在那裡恆星的年齡可由顏色與亮度來估計)里,檢視了大量初生未久的棕矮星,尋找過量的紅外光。Longevity korean ginseng choices 41 - 43 degrees north latitude in the selection of growth areas, after six to nine years of careful nurturing korean ginseng. the unique geographical environment, growth korean ginseng length, is the united states, skin aging, nordeep, growth rings of fresh, delicious flavor, sweet, fragrant and effective ingredients are better than any korean ginseng is the finest in the world ginseng. longevity korean ginseng selecting the best of the best of raw materials, particularly refined by the exclusive crafts
壽星高麗參,選用生長在北緯41 - 43度地帶,經過六至九年精心培植的高麗參.該地域環境得天獨厚,所生長的高麗參體長,形美,皮老,紋深,年輪清新,味微苦,甘甜,芳香,且有效成份均優勝于任何高麗參,是世界人參中的極品.壽星高麗參對原料參優中選優,經過獨家工藝特別精製而成Astronomers have identified hundreds of these peculiar beasts, both young ones in star - forming regions and older ones in the neighborhood of our solar system
天文學家已經觀測到數百顆這樣奇特的怪物,有處在恆星形成區域里的年輕棕矮星,也有位於我們太陽系附近較年老的棕矮星。There it causes havoc in the oort cloud, a huge region surrounding the solar system that contains billions of bits of cosmic rubble left over from the formation of planets
在那裡,它引起了奧爾特雲的浩劫,奧爾特雲是一個巨大的圍繞太陽系的區域,裡面包含了數十億從行星形成中分離出來的宇宙碎塊。The regions of greatest metal enhancement for a given star-forming frequency apparently suffer the greatest compression.
對於一定的恆星形成頻率,金屬加濃最大的區域顯然受到了最大的壓縮。分享友人