結構級差 的英文怎麼說

中文拼音 [jiēgòujíchā]
結構級差 英文
texture gradient
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 結構 : 1 （各組成部分的搭配形式） structure; composition; construction; formation; constitution; fabric;...
  1. In allusion to some types of the functional fibre s performances and characters the paper mainly has this fibres microstructure scanned by electron microscrope. in addition we also discuss their differences of microstructure eroded by the plasm. meanwhile by performing mechanics analysis we get theoretical analysis of their space - conglomerating structure. finally we perform analysis of the ultraviolet radiation and analysis of the caloricr weightlessness. as a result these types of fibre not only keep their own fine traits, but also own good conglomerating structure, crystal limit, calorifics performance and mechanics performance. compared with the ordinary fiber, the neatness of high - contracted polyester fiber increases and it s diameter also increases. there are bubbles in the burning - resisting viscose fiber and it has smooth vertical structure

    對應子高收縮的滌綸纖維的平整度有所提高，有較普通纖維變粗的趨勢；在難燃粘膠纖維裏面有氣泡，其具有較明顯的光滑平整縱向結構；滌綸系列棉纖維，在其耐刻蝕方面是比較強的，僅有均勻的小部分刻蝕現象；抗菌衛生級粘膠纖維的刻蝕效果是較差的：難燃的粘膠纖維，刻蝕的效果最好；而抗紫外粘膠纖維刻蝕的效果略有遜色。
  2. Traditional sports and folk sports are of great variety, which may be used as pe resources. but such contents are absent in the pe textbooks. so it is natural that the pe classes can not arouse interest of students ; the number of the playground and sports apparatus can not meet the standard. neither can they satisfy the demand of students ; it ' s practical to take advantage of the local geographical resources in pe curriculum ; extracurriculum and after - school activities can not meet the demand of students, which should be developed and utilized to a greater extent ; the structure of pe teachers is far from satisfactory

    結果顯示，甘肅少數民族地區小學體育課程資源存在著課程內容中民族傳統體育和民間體育活動項目豐富，然而教材內容沒有考慮地方和實際情況，很難引起學生的興趣；各級各類學校體育場地、器材的要求相差甚遠，現有體育場地器材都無法滿足教學要求和學生的體育需求；自然地理財富作為一種體育課程資源來開發很具有價值和實際意義；課外體育活動和校外體育活動還不能滿足學生的需求，尚須大力開發和利用；體育師資結構不合理，學歷結構偏低，且相當一部分是民辦教師轉正等問題。
  3. The main computer is programmed under windows, while the assistant computer is programmed under dos. the last, based on the idea of module - structure, the software of the testing system are designed, thus this software system is compatible and transplantable to design again. the experiment of measuring principle is taken : take the xy flat of lathe as the parallel - pole device and adjust the angle of sensor, the rotating - probe can test the felloe mould in scanning way

    藉助虛擬儀器的思想，對測控系統進行了設計：採用光柵尺、光電編碼器測量可動部件的運動量，解析度高、誤差小；採用細分驅動的步進電機裝置，控制性能好；系統實施環境溫度的檢測、補償，提高了檢測精度；基於兩級微機組建測控系統：主機為人機界面，採用windows編程，從機用dos編程，實時性好；軟體設計採用兼容性和移植性好的模塊式結構，便於二次開發。
  4. 3. the principle of the interleaver based on the interference of polarized light is analyzed theoreticallyand the interleaver architecture of this kind is presented. a 50ghz interleaver is designed and the two series of interleaved spectrum like cosine function is obtained experimentally ; by using the tandem of two birefringent crystals with different optical path difference, we get the flattop spectrum

    3 、分析了pbi型interleaver濾波器的基本原理，給出了一種pbi型interleaver濾波器結構；設計了50ghz光學梳狀濾波器，實驗得到了該器件兩組交錯分波類餘弦輸出光譜；採用不同光程差的晶體級聯方案，實現了輸出光譜平頂化。
  5. A complementary input stage, which consists of a p - channel pair and a n - channel pair, was used in the circuit, so that the common mode input range can extend from rail to rail. a dcls is used to shift the n - transistor curve leftward to overlap the p - transistor curve properly and keep constant transconductance in the whole common mode input range

    輸入級採用pmos差分輸入對和nmos輸入差分對並聯的結構，從而實現共模輸入范圍擴大到電源的正負兩端，並且通過兩個源級跟隨器平移nmos輸入管跨導曲線，使nmos輸入管和pmos輸入管跨導曲線的適當交疊，從而保持了這個輸入級的跨導在整個共模輸入范圍內保持恆定。
  6. We also proposed a reformed surface speed method based on the problems of surface speed method in engineering application. this method can make sure the structure radiant sound status in total noise and the detail phonate part quickly and correctly

    根據表面速度法在工程應用中存在的問題提出了頻帶聲壓級差值法，該方法能快速準確地確定結構聲在總噪聲中的地位和結構的具體發聲部位。
  7. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中，首先介紹模數轉換器的各種參數的意義，以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案，引入級聯結構調制器，特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器，調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計，包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等，並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後，利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。
  8. Two kinds of improved design project are proposed : retrofocus project and image telecentric project. original structures are solved through gauss optics and primary aberration principle, and the aberration is optimized and analyzed too. to form staring opto - electronic countermeasure device, distributing of optical unit array is simply analyzed in the end

    針對初始設計方案的不足，提出兩種改進的設計方案:反遠距方案和像方遠心方案，通過高斯光學和初級像差理論求解出光學系統初始結構，利用光學設計軟體進行像差分析和優化，並且對設計的光學系統組成凝視型光電對抗設備時光學單元陣列分佈進行了簡單分析。
  9. The mature region cdna of melittin of apis cerana was cloned by using puct - vector developed from pucis vector. the sequence was compared with the corresponding region of melittin of apis mellifera reported in genbank, the mutant site was found in 33rd base ( a : apis mellifera ; g : apis cerana ), but the primary structure of the two proteins were identical, which suggested melittin, as an important defensive gene, was very conservative in evolution

    測序結果顯示與意蜂（ apismellifera ） melittin成熟區序列相比，中蜂（ apiscerana ） melittin成熟區序列在第33位存在差異（意蜂為a ，中蜂為g ） ，但兩者蛋白質一級結構相同，說明melittin作為蜜蜂一種重要的防禦基因在進化上保守。
  10. The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    圍繞這一工作核心，作者完成了以下幾項工作： （ 1 ）以實現寬量程電流互感器為目標，提出了基於bang - bang控制的有源補償方法，採用雙級電流互感器，將復雜的狀態控制分量轉化為偏差控制，該方法結構簡單，調試方便，有源補償器輸出電流小，可以將0 . 2級的電流互感器經過補償后提高到一次電流從額定值的2變化到120時，測量誤差不超過一次電流額定值100時準確度為0 . 1級的測量標準。
  11. Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ). in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived ; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel

    本文首先介紹了turbo碼的背景知識，包括差錯控制的基本原理、分組碼和卷積碼；然後闡述了turbo碼的基本原理，包括turbo編譯碼器結構及迭代譯碼原理；較為詳細地描述了關鍵的譯碼演算法： ?種改進的最大后驗概率（ map ）譯碼演算法及迭代譯碼演算法；提出了一種新的turbo碼結構：混合turbo碼（混合級聯卷積碼） ；並用編碼性能聯合界分析方法對混合turbo碼進行了性能分析，得出了其平均性能上界；並在高斯白噪聲通道和瑞利衰落通道上分別作了一些應用研究及計算機模擬實驗。
  12. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。
  13. By blasting the homologous sequences in genbank databases, the sequence of grass carp gh cdna from pituitary is 98 % homologous compared with the previously cloned gh cdna of grass carp. the cgh cdna fragment was inserted into pgex - 4t - l to construct the expression plasmid. the recombinant plasmid was digested by bamh i and ecor i to identify whether the cgh cdna fragment was inserted into the plasmid, the pgcgh was transformed into e. coli bl21 competent cells

    將得到的序列在genbank和embl數據庫中進行了同源比較，結果顯示：本研究克隆到的草魚gh基因與genbank中登記的x60474草魚gh基因有12個堿基的差異，編碼的氨基酸有3個氨基酸殘基的差異，同源性為98 ，影響蛋白質高級結構的保守二硫鍵為2個。
  14. In order to grasp the urban system processes and evolution pattern of hunan province comprehensively, this article has made further discussion on its structure characteristic : through regression analysis, graph analysis and statistics analysis of the time series data and cross sections data, by combining with the fractal theory, we induce the following conclusion : the hierarchical size structure presents the law of the primate city, the rank - size rule and pyramid structure characteristic, but it also has the insufficient development problem of the high hierarchical size city. by using the gravitation model, we found out that the economy relation intensity among those main cities is weak while the structure is loose. based on the urban layer system of economic development level and industrial structure evolution of the cities in hunan province, this article then induces the function combination among the five urban agglomerations in hunan province

    為全面把握湖南城市體系的運演規律，本文對其結構特徵作了進一步的探討:通過時序數據和截面數據的回歸分析、圖表分析和統計分析，結合分形理論，得出了其等級規模結構分佈呈現出首位分佈、位序?規模分佈和金字塔結構特徵，以及存在著高層次城市發展不足的問題;運用場引力模型發現該省主要城市間的經濟聯系強度較弱、結構鬆散，在歸納出該省城市經濟發展水平的層次體系、產業結構演變的基礎上，導出了該省城市體系的五大城市群職能組合;結合空間結構體系、路網交通條件和經濟發展狀況，對該省城市空間分佈狀態進行了定性分析，研究表明該省總體上處于極化階段，各個具體區域，分佈階段不一，差異較大。
  15. The md simulation data were analyzed in terms of average atomic positions, root mean square ( rms ) fluctuations, monomer - monomer interactions, hydrogen bond ( h - bond ) network, secondary structure, and so on. through the comparison, we found that when the system includes zn2 + ions and phenol, the stability of insulin hexamer is enhanced, but the conformational flexibility related to its biological activity is decreased. in addition, the insulin hexamer tends to dissociate in the absence of zn2 + and phenol

    通過對這兩個模擬所得到的軌跡在原子的平均位置、方均根漲落、方均根偏差、單體之間相互作用、氫鍵網路、二級結構等方面進行的比較分析發現，對于包含鋅離子和苯酚的體系，胰島素六聚體的穩定性得到了增強，但其構象柔性卻受到了削弱；對不含鋅離子和苯酚的體系，胰島素六聚體的穩定性明顯減弱，構象柔性卻表現得較為突出，在這種情況下，胰島素六聚體還表現出解聚的傾向。
  16. And with the software pro / e, the research carried out the molding and assembling of the gearing parts. secondly, according to the rotary error theory, this paper discusses the influence that the side - crack have on the rotary errors and reveal three kinds of rotary errors ( intrinsic errors, assembling errors, other errors ) that may come out in the gear drive

    其次，利用回差分析理論分析側隙對回差的影響和齒輪傳動中可能出現的三類回差來源（齒輪本身的固有誤差，裝置誤差，其它誤差） ，並詳細計算了各級傳動中的回差的大小，檢驗結構精度分配的正確性，提出減小回差的措施。
  17. A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量，本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析，得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現，起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成，起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大，這說明可以通過重新結構設計降低起落架噪聲。
  18. The research can offer some important references to the population ecology of endangerous plant, too. based on the dates of two different circumstances, two standard life tables of form. taais chinensis var. mcarei population are founded by mathematical technique according to premising with " space deducing time ", and the curves of survival rate, mortality rate and killing power were drew. the results showed both of the survival curves of population appeared to be a type of deevey - iii and the high mortality of seeding is one of the important reasons which caused taxus chinensis var. mairei to be endangered, which badly limited the enlargement of form. taxus chinensis var. mcarei population

    由於南方紅豆杉無解析木，因而以「空間推時間」 、 「橫向導縱向」方法，將林林依胸徑大小分級，以立木級結構代表年齡結構，採用分段勻滑技術，對兩個不同生境的南方紅豆杉種群編制特定時間生命表，繪制存活曲線，結果表明不同生境的南方紅豆杉種群的存活曲線均趨于deevey -型，兩地差異較小，幼苗死亡率極高，不同生境的幼苗死亡率均達到96以上。
  19. In fact, the adherence of young and old concrete belongs to the adherence research work of bimaterial. the simulation calculation shows that in the range of criterion provision of young and old concrete that the formula for calculating the splitting tensile strength of a monolithic concrete specimen can be used to a concrete specimen of young and old concrete when the difference of elastic modulus of young and old concrete is small

    新老混凝土的粘結實際是彈性模量不同的兩種材料? ?即雙材料的結合問題。本文通過數值模擬計算結果表明，在規范規定的修補結構新老混凝土強度等級差值范圍內，新老混凝土彈性模量相差不大的情況下，新老混凝土粘結劈拉強度可近似採用整體混凝土劈拉強度計算公式。
  20. Only the main transmitted light from the glued layer or the first - order transmitted light also, is considered at most in the existing study outcome about light intensity transmission. on occasion, some experimental results about light transmission are given as a performance index. and nearly no one considers the contribution of the higher - order transmitted lights and the effects of the inaccuracy in glue technology on light distribution

    人們對它的研究，往往只考慮棱鏡膠合層的兩切割斜面上的主透射光束，至多同時考慮次級透射光束對出射光強的影響，或直接將光束光強透射比的實驗值的平均結果作為棱鏡的一個性能指標給出，很少考慮棱鏡膠合層間光束的多次反射對輸出光強的影響以及結構誤差和使用調整誤差對棱鏡光強分佈的影響。
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