正規尺寸 的英文怎麼說

中文拼音 [zhēngguīchǐcùn]
正規尺寸 英文
regular size
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ名詞1 (畫圓形的工具) instrument for drawing circles 2 (規則; 成例) rule; regulation 3 [機械...
  • : 尺名詞[音樂] (中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」) a note of the scale in ...
  • : Ⅰ量詞(長度單位) cun a unit of length (=1/3 decimetre)Ⅱ形容詞(極短或極小) very little; very ...
  • 正規 : regular; standard; normal正規部隊 regular troops; regulars; 正規教育 regular education; proper ed...
  1. The frozen coal destruction is the tension stress destroys, and establish the frozen coal cutting model in this foundation, obtains the cutting force, feeding force, tooth spacing according to the smallest energy principle. bring forward a rotary drilling mothod to unload the frozen coal, the broken ability is strong, without frozen depth limits, then obtains this machine working parameters, has combined this method with a grab and determined the plane of vehicle - carried rotary drilling movable coal - unloader

    凍煤破壞是拉應力破壞,在此基礎上建立了凍煤的切削模型,根據最小能量原理得到截割力,進給力和截齒間距的計算公式,分析得到截割力與切削厚度成比,隨著前角的增大而減小;截齒最優截距與截齒有關且與切屑厚度成比;進給力隨著截齒前角增大而增大的律。
  2. Gearbox flanges - specification for dimensions of cross - tooth gearbox flanges, type t, for commercial vehicles and buses

    變速箱法蘭.第1部分: t形商用車輛和公共汽車用t型交齒齒輪變速箱法蘭的
  3. Dimensions for hexagonal and square crimping - die cavities, indentors, gauges, outer conductor crimp sleeves and centre contact crimp barrels for r. f. cables and connectors

    射頻電纜和連接器用六角和方形壓模腔體壓頭標準外導體壓接套和中心接觸件壓接導線筒的
  4. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀;其次研究了橢圓曲線密碼體制的基本理論;第三,分析了橢圓曲線密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓曲線密碼體制;第四,深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優基表示下的乘法運算和乘法逆運算的快速演算法,並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進,而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優基表示下的乘法和乘法逆運算的性能,還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究,所得的結論可供在實現橢圓曲線密碼體制時參考;第五,研究了目前流行的計算橢圓曲線標量乘法的快速演算法,同時改進了固定基點梳形法,提高了整個系統的速度,並在實驗的基礎上分析研究了流行演算法的優劣;第六,實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫,在我們的演算法庫中只需稍微改變便能實現基於任意的f _ 2m上的ecdh , eces , ecdsa等橢圓曲線密碼體制;第七,實現了兩條安全橢圓曲線上的橢圓曲線密碼體制,包括ecdh , eces , ecdsa 。
  5. ( 3 ) it is known that load effect is not consistent with the section resistance incommon section continuous composite beam. a kind of composite beam with itsrational section size is suggested, which is consist of the t shape concrete beam andsteel girder. this kind of composite beam not only has enough carrying capacity, almost has same positive and negative resistance moment, but can decrease theamount of the steel

    ( 3 )分析可知連續組合梁的跨中、支座截面處荷載作用效應及截面抗力律不匹配,本文提出了採用t形混凝土梁和工字鋼代替一般的混凝土板和工字鋼的組合梁截面形式,並給出了截面比例,能使負截面抵抗矩接近,符合組合梁受力特徵,減少了材料用量,滿足承載力和剛度等要求。
  6. The photo must be 2 inches by 2 inches with the face size as specified. your browser may not display the graphic above as the right size

    相片定必須為2英乘2英方的面相片。你的瀏覽器或未能顯示下圖的
  7. Analyze structures of parts to map, select representation methods and complete sketches. measure and obtain dimensions of the parts, compile necessary technical requirements and complete detail drawings

    分析需測繪的零件結構形狀,選定表達方案,畫出零件的草圖,測量並標注,編寫必要的技術要求,繪制零件圖。
  8. On the basis of these results, the design method and procedure of lime - flyash grit composite were researched combining with the standard. through the engineering practice of recent ten years, some modification were made as follows : the maximum size of the granular material was improved from 4cm to 10 ~ 12cm, the mud content rises to 7 percent from 3 percent, the strength was raised, also the construction became more convenient

    在此基礎上,結合范討論了二灰穩定砂礫材料的設計方法和步驟,並對范中的有關定作了如下的修:最大石料粒徑的由4厘米增加為10 12厘米,含泥量由3提高到7等,從而提高了二灰穩定、砂礫材料的強度,減少了干縮性,方便了施工。
  9. After that, based on the experimental results of pressure loss and filtration efficiency for the filters in different sizes under different flow rates, the resistance formulae is further proved that can be applied in the engineering

    然後利用交試驗法進行實驗的設計和安排,確定了測試過濾器的,並對各種試驗格過濾器在多種工況下的阻力和效率進行了實測,其結果證明了阻力總公式的工程實用性。
  10. As composite material are widely used in navigation and physical education equipments for high comparing intensity and module, even it has the approxi - mate zero expanding coefficient, as the same time, configuration of composite has been aroused attention by scientific researchers, the goal of them is to find an integrated structure with high efficiency and intelligent and many function all along. grid structure is the right structure with the high efficiency, the researchers overseas have been studying the structure for many years, which manifests it has many excellent nature ; existing research indicate it has higher stiffness and intensity. the form can be detected in health easily for its open shape

    復合材料具有高的比強度和比模量,同時又具有近於零的熱膨脹系數和良好的穩定性等優良性能,已經廣泛應用於航天航空事業和體育器材生產工業,與此同時,尋求一種高效的、低成本的、並將智能化和功能化集於一體的結構形式,一直是航空航天追求的目標,具有點陣結構的復合材料格柵結構是這種高效的結構形式,表現出多項優良性能;國外對其進行了大模的理論分析和一些數值模擬研究,已有的研究表明該結構具有良好的可設計與自動化生產性能而無材料之間匹配問題,開放式的結構形式為結構的健康檢測提供了便利,具有廣闊的應用前景。
  11. Image preprocessing includes transformation of image format, scaling of image size, smooth and noise - removing, gray level distribution normalization

    圖像的格式轉換、縮放、平滑去噪以及灰度的化組成了前期預處理過程。
  12. Tool shanks with 7 24 taper for automatic tool changers - specification for functional dimensions of front faces of spindle holders for machine centres

    帶7 24錐形自動刀具變換器的刀具柄.加工中心主軸托架的面功能
  13. Referring to three kinds of plan irregularity, structures individually with four kinds of irregularity as eccentricity in one direction, eccentricities in two directions, re - entrant corner irregularity and diaphragm discontinuity have been analyzed to investigate the relationship between torsion effects and parameters of above irregular structures. the parameters and the schemes for determining the scope of structures with different kind of irregularity considering seismic action in two directions simultaneously are proposed, some conclusions have been get as following : it is indicated by the analysis results that torsion effect has no dependency relation with eccentric torsional angel adopted in code for seismic design for buildings. it is suggested that the eccentric torsional angel should not be take as the parameter of torsion effect of structures considering seismic action in two directions simultaneously ; for the structures with regular plan and elevation and with eccentricity in one direction due to irregular mass layout, the relative eccentricity can be take as the parameter of torsion effect of structures considering seismic action in two directions simultaneously ; for the structures with regular plan and elevation and with eccentricities in two directions due to irregular mass layout, the ratio of relative eccentricities in two directions and the angel of them can be take as the parameters of torsion effect of structures considering seismic action in two directions simultaneously ; it is indicated by the analysis results that the torsion effect has no dependency relation with re - entrant corner ratio adopted in code for seismic design for buildings as

    所取得的主要結論有:結構的扭轉效應與《抗震范》所採用的扭轉不則指標即偏心扭轉角之間的相關性較差,偏心扭轉角不宜作為判斷結構是否計及扭轉效應及需考慮雙向水平地震作用的界定指標;對于樓層間均勻偏心的多層單向偏心結構,建議採用相對偏心距作為需考慮雙向水平地震作用的界定指標,並給出針對不同平面的界限相對偏心距;對于樓層間均勻偏心的多層雙向偏心結構,建議採用兩個主軸方向的相對偏心距及其夾角作為界定指標,結合單向偏心結構的界定方案進行需考慮雙向水平地震作用的結構范圍界定;凸凹不則結構的扭轉效應與凸凹比例無相關關系, 《抗震范》要求所有平面布置不對稱的凸凹不則結構計及扭轉效應的定欠妥當,建議凸凹不則界限值從30改為15 ,只要求分析採用空間模型比較合適; 《抗震范》關于有效樓板寬度較小的結構需計及扭轉效應的定很有必要,樓板局部不連續的結構需採用符合樓板實際剛度的計算模型予以分析,可使用相對偏心距(及其夾角)參照單向(和雙向)偏心結構的界定方案,界定樓板局部不連續結構是否需要計入雙向水平地震作用下的扭轉效應。
  14. The objective function is the cost of anti - slide pile " s per meter ; the constraint conditions are the strength of anti - slide pile " s normal section and inclined section, the ratio of reinforcing design and the size of section in the design code ; the design variables are the height of section, the area of reinforcement and the amount of hoop. and the optimization model is solved by 0. 618 method

    本文提出的優化設計方法,以樁單位長度的總造價為目標函數,以范對單筋梁的、斜截面強度,配筋率及截面等要求為約束條件,以樁截面高度,抗彎縱筋面積,抗剪箍筋數量等為設計變量,來建立優化模型,並用0 . 618法進行求解。
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