接近相等的 的英文怎麼說

中文拼音 [jiējìnxiāngděngde]
接近相等的 英文
subequal
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 4次方是 The fourth power of 2 is direction
  • 接近 : 1 (靠近; 相距不遠) be close to; near; approach 2 [天文學] approach; approximation; application;...
  • 相等 : equation; equality; equal; be equal to
  1. The feathers attached to the arms and the tail evidently possess the structures of " modern feathers ", which consisting of the central shafts ( rachis ) and parallel barbs. dromaeosaurids are unusual group of maniraptoran theropods. they share many similar or the same features with archaeopteryx or other primitive birds, such as : u - shaped furcula, uncinate process, laterally facing glenoid of shoulder girdle, comparatively long forelimb, large semilunate carple, retroverted pubis, ascending process of astragalus, and " modern feathers " with rachis and barbs etc. these facts indicate not only that dromaeosaurids had developed many bird - like characters in course of the advanced maniraptorans toward birds, but also that there seemed to be the co - evolutionary trend between the feathers and the skeletal bones

    奔龍類是一類較為特殊手盜龍類( maniraptora ) ,它具有許多與始祖鳥archaeopteryx甚至其它早期鳥類似或特徵,主要表現在:叉骨u形與始祖鳥和孔子鳥類同,背肋鉤狀突在孔子鳥類和個別反鳥類中也存在,肩臼窩絕大部分指向側方類似於始祖鳥,肩胛骨與烏喙骨間夾角非常90也和始祖鳥似,前肢從比例上講顯得較長,大半月形腕骨使肘部能向側方折過來,恥骨伸向後下方,距骨上升突與原始鳥類中為同源結構,羽毛已有顯著分化且具備了現代羽毛基本結構
  2. Results contrast with the unimproved or some previous models, the features of tumor microvascular networks generated from our model by simulating the angiogenesis in caecum tumor, such as vascular tortuosity, branching and anastomosis, are closer to the physiological facts and more resemble the experimental observations

    結果對盲腸腫瘤微血管網進行數值模擬,與改進前模型和其他模型比較,本模型生成腫瘤微血管網結構特徵,如血管走向、扭曲、分叉與融合,更生理實際,與實驗觀測圖像似度更高。
  3. 90 % uv below 400nm could be shielded by the nano - sio2 sol. the time of the artificial aging of nano - sio2 - modified coatings prepared by the way of in - situ dispersion method was about twice as long as that of the nano - sio2 - modified coatings prepared by dispersing the nano - sio2 powder in the coating directly. on the other hand, the fadeproof time ( reaching the second level of color aberration ) of the nano - sio2 - modified coatings was 1. 83 times as long as that of the national standard for the super coatings

    實驗證明:納米510 :溶膠具有很強紫外散射屏蔽性能,對400nm以下紫外光能屏蔽90 %以上;在位分散法納米510 :改性塗料耐人工老化粉化時間比直分散法納米510 :改性塗料提高了1倍,耐變色時間(達到色差2級時間)是國標優品要求1 . 83倍,較未改性塗料提高了約25 % 。
  4. Ill 2, xi ' an university of technology 2. at the same holding temperature, when the holding time increased, the equal - area - circle diameter trended to uniform, and the distribution of the roundness approached to gaussian distribution

    2 、溫溫度條件下,改變溫時間,積圓直徑分佈隨時間延長趨向均勻,晶粒球化度於正態分佈。
  5. The most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. )

    地小行星軌道最大特點是其軌道半長徑與地球軌道半長徑,或日距離甚至小於日地平均距離,其運動可深人到地球軌道內部,這將導致該類小行星與地球(還有金星、火星)十分靠甚至發生碰撞。
  6. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要一類小天體,主要分佈在兩個區域;火星和木星軌道之間一條主帶和地空間.地小行星軌道最大特點是其軌道半長徑與地球軌道半長徑,或日距離甚至小於日地平均距離,其運動可深入到地球軌道內部,這將導致該類小行星與地球(還有金星、火星)十分靠甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難,包括天體力學方法中一般消除碰撞奇點正規化處理以及對定性研究十分成功辛演算法都將在不同程度上失效.通過對幾種常用數值方法(包括辛演算法)計算效果比較,根據小天體運動自身特性,給出了應處理措施,從而可提高計算結果可靠性
  7. We form a ly a line sample from spectra of 19 qsos in the literature. in this analysis, we demonstrate that a proximity effect is present in the data ; i. e., there exists a significant deficit of lines at zabs = zem, within 4h - 1 mpc of the qso emission redshift. and the deficit depends on the rest equivalent width of the lines, with weak lines showing a relatively weaker effect

    我們發現所選樣本中確實存在效應,特別在z _ ( abs ) z _ ( em )附距類星體4h ~ ( - 1 ) mpc范圍內, ly森林線數對演化規律估計得到線數缺少很顯著,並且與譜線靜止值寬度有關,弱線效應較弱。
  8. Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile

    將其解析解與具體抗震設防烈度和場地特徵周期結合起來,計算分析了成層地基中單樁橫向地震響應,得到了以下結論: 1 )上部結構慣性力對樁橫向地震響應影響不可忽略; 2 )成層地基中單樁橫向地震響應主要受地震基本加速度、場地特徵周期、上部結構質量影響,隨地震基本加速度、上部結構質量增大而增大;場地特徵頻率越樁基自振頻率,樁基地震響應越大,於自振頻率時,由於發生共振現象,樁基響應幅值最大; 3 )樁土剛度比越大,樁土之間對位移幅值越大; 4 )樁頂固方式,可以有效地降低地震時單樁橫向地震響應。
  9. The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method. then spacecraft ' s orbit roots, maneuver impulse and maneuver time are discussed as the following four part : first of all, the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver. the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous " ability, moreover, the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal

    為了研究了交會機動中追蹤器和目標器軌道根數、機動時限和機動能耗因素對交會機動影響,模擬和分析分為以下四個部分:首先,研究了追蹤器軌道單個參數為變量情況下兩航天器大范圍交會機動問題,研究表明,追蹤器變化參量與目標器參量在情況下可以獲得良好交會機動特性,而對于兩航天器軌道共面情況下,初始位角時則獲得最佳機動效果。
  10. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理基礎上,通過對誤差矢量和鄰通道功率泄漏詳細分析,定性、定量地討論了各種非理想電路因素(如位不平衡、幅度不平衡、直流偏差)對調制器性能影響;其次,介紹了鎖工作原理和基本組成部分,包括鎖設計和環路濾波器設計,特別詳述了電荷泵鎖頻率源;第三,介紹了採用直調制技術模擬衛星信號射頻前端設計;最後,對整個直射頻調制系統進行測試,結果基本上達到了課題要求。
  11. We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped

    結論是:當脈沖長度離子體波長時,稀薄離子體將發生「前向受激raman散射」 ,它使脈沖后沿拉長,導致尾流場速度變小,以至於被尾流場「捕獲」電子最大動能大大下降。
  12. The reflectances ( to red light ) of the silver bodies, white ( or close to white ) floor, green bodies and black line will be well separated, with the following gradation : silver bodies ( brightest ) > floor > green bodies > black line ( darkest )

    銀色人體、白色(或白色)地板、綠色人體和黑線對于紅光)反射光將有明顯區別,其級為:銀色人體(最亮) >地板>綠色人體>黑線(最暗)
  13. Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge

    對以負載型雜多藍為催化劑乙酸與正丁醇酯化反應進行了研究.考察了影響酯化反應因素.結果表明:以負載型雜多藍為催化劑,酯化反應轉化率100 % ,收率可達98 . 9 % ,選擇性為98 . 9 % ,重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放優點
  14. This variation of stresses is due to the action of in - plane shear strain in the plate, which is termed “ shear - lag ”. stresses larger than the elementary bending uniform stress thus develop at the web - flange connection. an appropriate reduced “ effective width ” of the plate - with the uniform stress equal to the maximum longitudinal stress - has been widely used by engineers in conjunction with the elementary beam bending theory

    但實際上翼緣中剪切變形是不均勻,由此導致正應力沿橋寬呈曲線分佈,從而引出了有效寬度概念,即按初梁理論公式也能得與真實應力峰值接近相等的那個翼緣折算寬度。
  15. In the analysis process, the six main peaks in 88 - 100 kev region, including the y peaks of 234th, the k peaks of th and the k peaks of u, are chosen. the smoothly joined gaussian function and low energy exponential tail is taken as peak shape function and quadratic polynomial is taken as background function. the two functions are fitted to gether to calculate the peak area

    在分析過程中,選擇了88 - 100kev能區~ ( 234 ) th射線峰, thk _射線峰以及uk _射線峰共六個主要能峰,通過採用高斯函數和低能指數尾部光滑聯峰形函數和二次多項式本底函數一起擬合,來求出峰面積;而該能區所有能峰探測效率可以認為是,由此得到鈾富集度。
  16. The clearest patterns will exist when the interfering waves have equal or very nearly equal amplitudes.

    當發生干涉兩個波振幅或非常時,將有最清晰圖樣。
  17. If two beams are to interfere to produce a stable pattern, they must have very nearly the same frequency.

    如果要使兩束光發生干涉以產生一幅穩定圖樣,它頻率必須非常
  18. The further analyses indicate that anti - erosive vegetation should be natural well developed or near natural, and it would be different not only in structure, but also in succession, management, etc., from artificial vegetation taking economical value as only a target

    進一步分析表明防蝕植被就是發育良好自然植被或者自然人工植被,與純粹追求經濟目標人工植被比,不僅在結構上,而且在演替、經營方面是不同
  19. Such as the models assume that the communication times between all process pairs ( a sending process and a receiving process ) in the computation are equal. it is a reasonable approximation when the entire computation is performed on a single machine. but when the computation is executed on a grid environment, it is not reasonable for communication costs over different communication links is differ

    當所有計算任務都在單獨一臺機器上執行時,這些發送收進程對之間通信時間是;但是當計算是在一個網格環境上運行時,由於網格中通過不同通信連通信時間是不一樣,所以這些發送收進程對之間通信時間是不可能
  20. From the disser tation, it is noted that smart antenna can effectively deal with mobile communication signals such as coherent signals, non - gaussian signals and multipath signals, etc

    通過本文研究,實現了智能天線對現實干信號源、非高斯信號源、經多徑通道傳輸后情況下信號有效處理。
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