size of field 中文意思是什麼

size of field 解釋
現場廣度
  • size : n 1 大小,尺寸規模身材。2 (鞋帽等的)尺碼,號;(紙張的)開。3 巨大,大量;相當大的分量。4 〈口...
  • of : OF =Old French 古法語。
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  1. 3 analyzing particle size of the wind - blown sediment and surface soil indicate that the former in 0. 02mm - 0. 2mm occupy about 40 % and 55 % of sloping field and shoaly land of bashang, which shows that bashang is the erosion and desertification region or the latency. 4 the search of decreasing effect of wood strap indicates that in lower wind speed the effect is distinct

    3風蝕物及表層土壤顆粒粒徑分析表明,地表200cm高度內風蝕物粒徑在0 . 02mm 0 . 2mm之間;壩上地區坡梁地與灘地該粒徑范圍顆粒分別佔40和55左右,說明壩上地區是風蝕沙化或潛在風蝕沙化地區。
  2. A 50, 000 - strong swarm of spider crabs gathered off a melbourne beach this week, covering a stretch of seafloor the size of a football field and likely " scaring the hell " out of local fish, marine scientists said

    澳大利亞的海洋科學家日前表示,在這個星期內,墨爾本的菲利浦港灣涌來了密密麻麻大約5萬只蜘蛛蟹spider crab 。
  3. The segment descriptor entry contains both a pointer to the first byte in the associated segment represented by the base field and a 20 - bit value the limit field which represents the size of the segment in memory

    段描述符條目中包含一個指針和一個20位的值( limit欄位) ,前者指向由base欄位表示的相關段中的第一個位元組,後者表示內存中段的大小。
  4. The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper

    本文研究了用igc (惰性氣體蒸發凝聚原位溫壓法)制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅(冷軋紫銅、電解銅)在酸性硫酸銅溶液和中性含氯溶液中,在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法( cv )和電化學阻抗譜( eis )等方法。 x -射線衍射( xrd )的方法用來估算納米晶銅晶粒尺寸。
  5. The paper analyses the particle radial separating speed in inertia field and the dropping speed in the gravity field, determines the relations among the separating critical diameter, the rotate speed of screw, airflow speed and the radial size of separating interface, establishes and work out the separating diameter which value the separating effect of the new equipment

    根據物料的空氣阻力與離心分離理論分析了離心力場中粒子徑向分離速度及重力場中的粒子沉降速度,確定分離臨界粒徑與螺旋轉速、氣流速度及分離界面徑向尺寸等之間的關系建立了並求出了衡量此種新機型氣固二相流分離效果的衡量指標? ?分離粒徑。
  6. On the field construction of storage tank, the hoisting structure of electric block, by means of mechanics analysis and computation, can determine the amount which the electric block requires, the size of its side column and central column and its connecting forms, thus eventually reasonably allocating construction tools and decreasing the consumption of assistant materials only when the construction security is guaranteed

    摘要儲罐現場施工中,電動葫蘆提升結構可通過力學分析、計算,確定所需電動葫蘆的數目、提升組合結構中邊柱和中心柱的規格尺寸及其連接形式,達到在保障施工安全的前提下合理配置施工機具、減少輔助材料消耗的目的。
  7. 3 - d measurement has capacious applications in engineering, such as its uses in machine vision, profile modeling and biomedical industry. but many 3 - d measurements only can be estimated by handiwork now, for example, the area of mitral valve, the shape and size of eyepit and the volume of tumour in medicine field

    但利用傳統的測量方法,許多三維測量工作僅能依靠一些簡單的手工操作進行估算,如在醫學領域需要完成的二尖瓣面積、正常眼眶實際形狀、大小以及腫瘤體積等復雜三維測量工作都是如此。
  8. Base on certain main magnets of nmr this thesis designs the most excellent structure of the pole shape and obtains a relatively uniform magnetic field in a large imaging volume. the calculating model of pole shape made of pure iron can be simplified with the infinite permeability and calculated with the scalar potential. the rule between pole shape and the homogeneity or the size of uniform region of magnetic field is discovered and factors of influencing the homogeneity of the magnetic field are held so that the main magnet with the optimized size of pole shape can produce a relatively uniform magnetic field in a large imaging volume

    本文針對一類典型結構的主磁體,通過磁場分析與大量的計算,找到了極靴形狀的改變影響樣品區磁場均勻度以及均勻區域范圍的規律,掌握了極靴形狀的變化趨勢及其形狀影響樣品區磁場均勻度的各種因素,進行了極靴的形狀優化設計並編制了相應的計算機軟體,給出了極靴形狀的具體尺寸,使得主磁體能在更大空間內產生相對均勻的磁場。
  9. What are the most important factors that affect the size of debts issuing ? these problems arouse attentions in the theoretical field, but there are n ' t conclusions any thus far. after analyzing the burden of national debts and finding the factors that affect the reasonable limit of the national debts " quantity, this dissertation build quantity models for it, and make predictions for reference

    本文即從這樣的現實出發,在深入分析了我國國債債務負擔及其影響因素的基礎上,完善了多馬國債模型,從國債發行外生給定和內生給定兩種情況下,建立了適合於我國國情的國債合理數量界限模型,並進行了實證分析,給出了我國國債2004年至2015年的國債本息稅率預測值。
  10. Limiting of the spot size of intense relativistic electronic beams in a solenoidal field

    螺線管場下強流相對論電子束焦斑尺寸的限制
  11. In addition, electric field distribution of arc - quenching chamber is calculated in adopting anasys software and the largest electric field intention is analyzed under the impulsion voltage and infrequency voltage, then the size of insulation porcelain cover is determined

    採用anasys軟體計算了滅弧室電場分佈,並對沖擊電壓和工頻電壓下的最大電場強度進行了分析,確定了絕緣瓷套的尺寸。
  12. Longgang nature reserve plays an important role in preserving two langur species of both white - headed langur and francois langur. interview and field survey methods were used to survey the distribution and population size of these two langurs in this natural reserve from december 2001 to january 2002. the result indicated that the reserve has 8 groups of white - headed langur with 68 individuals in longrui and 10 groups of francois langur with 75 individuals in longgang. the distribution area and population size of both of the two langurs in this reserve have greatly declined in the past decades. they are seriously threatened and have high risk of disappearance from this reserve if no effective measures are to be taken at once

    為了確定弄崗自然保護區內白頭葉猴的種群數量,彌補黑葉猴種群數量的空白,掌握此保護區葉猴的生存現狀,採用訪問法和實地數量統計法相結合的方法對弄崗自然保護區的弄崗、隴瑞和弄呼3個部分進行深入的調查研究.調查結果表明,在隴瑞片范圍內,共有8群白頭葉猴,種群大小在68隻左右,和20世紀80年代末的244隻相比,數量下降相當驚人;在弄崗片內,共記錄到黑葉猴群10群,最大的種群為11隻個體,最小的種群是4隻個體,共計約有75隻黑葉猴(絕對數量統計) ;弄呼的黑葉猴種群已經于上個世紀的晚期消失.造成目前狀況的因素主要是過度狩獵和其他形式的過度干擾.弄崗自然保護區的葉猴種群數量已經接近可持續繁殖種群的最低水平,如不採取有效的保護措施,這個種群將很可能在短期內消失
  13. We put forward a principle of design multiple field packet classification algorithms base on the analyzing of the basic theory, algorithms structure and flow. now the speed of link is more and more high and the size of rule set is more and more large, it is difficult to design fast multiple field classification algorithms and the design principle is combine or improve the classical algorithms base on the analyzing the distributing law of the actual rule set

    分析上述各種演算法的基本思想、演算法結構及流程,本文總結出設計多域報文分類演算法的原則:針對當前鏈路速度不斷提高和規則庫規模不斷擴大的現狀,設計快速的多域報文分類演算法已經成為一個技術難點,一般的原則是在分析實際規則庫規則的分佈規律地基礎上對現有的經典演算法進行組合或者優化改進。
  14. Meanwhile, fully - controlled igbt enables reversible flow of field current and reduce in the size of filter elements of main loop, so that the complete of device becomes smaller and lighter

    而全控式的igbt不僅可實現勵磁電流的可逆運行,而且由於提高斬波頻率,使主迴路濾波器件的體積大大減少,從而使整個裝置體積減小、重量減輕。
  15. Along with silicon ulsi technology has seen an exponential improvement in virtually any figure of merit, as described by moore ’ s law ; the miniaturization of circuit elements down to the nanometer scale has resulted in structures which exhibt novel physical effects due to the emerging quantum mechanical nature of the electrons, the new devices take advantage of quantum mechanical phenomena that emerge on the nanometer scale, including the discreteness of electrons. laws of quantum mechanics and the limitations of fabrication may soon prevent further reduction in the size of today ’ s conventional field effect transistors ( fet ’ s )

    隨著超大規模集成電路的的發展,半導體硅技術非常好地遵循moore定理發展,電子器件的特徵尺寸越來越小;數字集成電路的晶元的集成度越來越高,電子器件由微米級進入納米級,量子效應對器件工作的影響變的越來越重要,尺寸小於10nm將出現一些如庫侖阻塞等新特性。量子效應將抑制傳統晶體管fet繼續按照以前的規律繼續減小。在這種情況下,宏觀的器件理論將被替代,可能需要採用新概念的晶體管結構。
  16. According to the deficiencies of the present treatment planning systems, a research of field size dosage calculation based on two - dimensional localization image is presented

    摘要針對目前治療計劃系統的缺陷,提出了一種基於二維定位圖像的射野劑量自動計算的設計方法和步驟。
  17. On the basis of piv measurement of the gas solid velocity field, the size and the numbers of particles are measured by newly developed image processing software. the results are identical with the variation of the factual size of particles. by the viable datum, the average size of particles in the cross section is calculated in the dilute phase area of circulating fluidized beds ( cfb ) riser

    在piv測速系統基礎上,通過二次開發的圖像識別軟體,實現不同工況下各截面顆粒粒徑分佈的測量,測量結果基本反映出實際顆粒粒徑變化,證明了該方法的可行性,進一步獲得了循環流化床稀相區顆粒粒徑分佈特性。
  18. An appropriate circuit of magnetism field has been designed to realize the weight desired. the size of every component has also been given out through analyzing and calculating. in addition, how to assemble the flux is discussed

    對永磁起重吸盤中各部件的材料選用問題進行了分析,在實現設定起重量要求的基礎上,設計了合理的磁路,對吸盤各部分的尺寸進行了計算分析。
  19. The distribution of magnetic field in a permanent magnetic thin film array is investigated by analytical calculations in this thesis. theoretically, the effects of the size of array units and of the distance between them are calculated, especially the contribution of adjoining array units

    本文利用磁場解析計算方法研究了永磁薄膜陣列的磁場分佈,理論上計算了薄膜陣列單元的尺寸和間距對永磁薄膜陣列工作點的影響規律,計算了周圍陣列單元對中心單元工作點的影響。
  20. Finally, the relation between the field of view matching of digital binoculars and the size of field of view of binoculars and camera is analyzed theoretically. based on the analysis of the mft principal and measure method of image sensor ’ s mtf, the contact measure method using rectangle template for mtf of image sensor is created. according to the number of pixels of image sensor in one cycle of the template function, the quantitive relation between sine template and rectangle template is proposed through theoretical analysis and comparison

    並利用衍射理論,從模板的形式(正弦形、矩形) 、模板與傳感器間距等幾個關鍵因素出發,進行了深入的理論探討,從理論上導出了矩形模板和正弦模板的差異、模板與圖像傳感器光敏面存在間距的情況下的光場分佈;並最終導出了間距存在下圖像傳感器調制傳遞函數值測得值與標準值之間的調整系數,利用此調整系數對實驗數據進行修正後可得到更為準確的調制傳遞函數。
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