preliminary calculation 中文意思是什麼

preliminary calculation 解釋
初步計算
  • preliminary : adj 1 預備的；初步的，初級的。2 序言性的，緒言的。n 1 〈常 pl 〉初步，開端；預備行為[步驟、措施]...
  • calculation : n. 1. 計算，計演算法。2. 推定，預測。3. 深思熟慮，精打細算；慎重的計劃；算計。
  1. Through the calculating example results and the comparisons with other calculating theories, it is proved that the calculating formulas of the combined geometry curve theory is valid, practical and accurate. it can be used in the calculation of line shape at the preliminary design, and can meet the engineering need. ( 3 ) this thesis researches systemically on the calculating theory of the suspension bridge ’ s cable system, including calculating design line shape and internal force, erection line shape of cable and pre - displacement of saddle without loads, the fixed position for erecting cable and amendatory method of cable ’ s unstressed length

    通過算例驗證了混合線形理論公式的實用性和正確性，並且與其它計算理論的結果比較，證明公式有足夠的精度，可用做初步設計中主纜線形的計算，能夠滿足工程的需要; （ 3 ）對自錨式懸索橋主纜系統計算理論進行了系統研究，包括成橋線形和內力計算、空纜線形和內力計算、鞍座預偏量計算、索夾安裝位置計算和索鞍處主纜無應力長度修正方法。
  2. Calculation of preliminary winding parameters and changing laws of several rectifier transformers and furnace transformers

    幾種整流變壓器和電爐變壓器繞組起始參數計算及其變化規律
  3. In the need of adulterating target materials with metal clusters as tracing materials, we calculated the cluster behavior of al materials in theory. the preliminary study was carried out in no more than 7 atoms, considering the much time in calculation and limitation of theory model gaussian98 program, the b3lyp method and the 6 - 311 + g * basis function were used in the calculation

    由於靶材料摻入金屬團簇示蹤材料的需要，我們對鋁材料的團簇行為進行了理論計算，考慮到計算量和理論模型的缺陷，初步研究是在7個原子以內進行的。
  4. There are mainly three parts in this paper. the first is the calculation of al clusters in 2 to 7 atoms, the second is the simulation of preparation with flow - levitation method in theory, and the third is the preliminary study of the preparation and property of metal nanomaterials

    本文主要進行了三部分的工作，一是對于鋁的2 7個原子的小團簇進行了理論計算，二是對于自懸浮定向流制備納米金屬粉進行了理論模擬，三是對于納米金屬材料的制備和性能進行的初步研究。
  5. If a suit of design software has been developed, not only the weary calculation and the iteration can be avoided, but also one or several preliminary concept meeting the design requirements can be brought forward in a short time

    如果能設計出一套軟體，將這一過程程序化，不僅可以從冗雜的計算、迭代中解脫出來，而且還可以在短時間內完成一個或多個滿足設計要求的初步方案設計。
  6. Preliminary analysis and calculation of liquid metal pb - 17li mhd pressure drop in the blanket for the fds have been presented to evaluate the significance of mhd effect to the thermal - hydraulic design of the blanket

    針對雙冷嬗變核廢物包層液態金屬的流動特徵，進行了mhd壓降的研究計算和數值模擬，進行程序實現分析。
  7. Preliminary study on calculation method of drainage inside roadbed based on seepage models

    基於滲流模型的路基排水設計計算方法初探
  8. The working mechanism of vertical planetary pulverizing is described, the mechanical model of the mechanical system of its equipment is established, a preliminary analysis of the characteristics of its movement and dynamics is made and the related calculation equations is given so as to provide the theoretical basis for the designing and manufacture of vertical planetary pulverizing mill

    介紹了立式行星磨的工作原理，建立了設備機械繫統的力學模型，對系統的運動學和動力學特性進行了初步分析，並給出相關的計算公式，為立式行星磨的設計與製造提供了理論依據。
  9. Adopting the deformation harmony theory, the numeric calculation of the curve of load versus settlement is made. the fitting results between the calculated curve of load - settlement and the measured one of piles with different construction process are illustrated. hence, under the condition of few or no static load test data, the performance of bearing capacity of single bored pile in loess may be predicted utilizing indexes of shear wave velocity, static cone penetration test and modification coefficient of depth, so it is remarkable to reduce the blindness of preliminary design of pile

    通過室內試驗及原位測試指標進行理論計算與現場實測值的對比，筆者引入了施工工藝修正系數k _ （ c1 ）和k _ （ c2 ）及深度修正系數，使理論計算值與現場實測值具有良好的一致性，進而通過變形協調理論對荷載?沉降曲線進行數值計算，並用不同施工工藝的實例說明了理論計算荷載?沉降曲線與實測荷載?沉降曲線的擬合效果，從而達到可在不做靜載荷試驗或少做靜載荷試驗的情況下通過剪切波速和靜力觸探試驗指標以及施工工藝修正系數等預測黃土地基中鉆孔灌注樁承載性狀，這對于工程初步設計中減少設計的盲目性具有十分重要的現實意義。
  10. This text carries on preliminary deduction and calculation on the measurement of forest environmental externality by means of the externality theory, and put out formulae as the price of forest environmental resources means marginal production cost and marginal use cost subtract from the international price of the forest products log

    本文利用外部性理論對森林環境外部性的計量分析進行初步的演繹和推算，推出公式為森林環境資源價格森林資源產品原木的國際價格邊際生產成本邊際使用成本。
  11. In this paper, after analyzing the operation and tests of the air conditioning unit for the rolling stock of shanghai metro line 1 over the last years, a preliminary calculation based on the operation features of the air conditioning unit of the rolling stock of shanghai urban rail " pearl " line is made for the cooling capacity and other parameters of the unit

    摘要通過對上海地鐵一號線車輛空調的多年運行和試驗的分析，針對設計中的上海軌道交通明珠線車輛空調的運動特點，對其製冷容量等參數進行了初步的計算和分析。
  12. In this paper, the calculation theory, the calculation model, the calculation method of realizing the lrb standard are studied, the lrb standard under i site category is realized preliminary

    並以類場地土下鉛銷橡膠支座的標準為例，研究了實現標準化的過程。本論文研究了實現鉛銷橡膠支座標準化的計算理論、模型、方法。
  13. Abstract : in this paper, we have had finite - calculation to dynamic structure according to the muffler drawings and the relation parameters. as we have received a disc impedance muffler model set at the entrance of lga fan by using the optimum design way before the muffler is made so that we can learn preliminary dynamic behavior. it has supplied effective ways

    文摘:針對由最優化設計方法獲得的lga風機進口安裝的圓盤式阻性消聲器模型，在未對消聲器實物加工之前，根據消聲器的圖紙及有關數據進行了有限元動力計算，從而初步了解消聲器的動態特性.為設計優良的消聲器提供新的有效途徑
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