例句與造句

1. The studies of in - layer heterogeneity are as follows : the text depicts the characteristics of heterogeneity by calculating the coefficient of variability , kmax / k and k . max / k . min of sand layers of different sedimentous microfacies ; divides interlayer into two types , and counts their numbers , thickness , frequency and density of a single sand layer according to the characteristics of lithology and logging , finally summarizes the characteristics of interlayer distributing ; sets up five in - layer heterogeneity models and points out that the primary models are model a and c . the studies of between - layer heterogeneity are as follows : the text depicts sand layers " growth and distributing conditions by calculating the lamination factor , sandstone density and overlap coefficient ; makes certain the lithology and thickness of interlayer by the method of contrasting the typical curves
   層內(nèi)非均質(zhì)性研究，通過計算不同沉積微相砂體滲透率的變異系數(shù)、突進系數(shù)以及級差來說明主要儲集微相的非均質(zhì)特征；據(jù)巖性及電性特征，將層內(nèi)夾層分為兩類，統(tǒng)計單砂層段內(nèi)夾層的個數(shù)、累積夾層厚度、夾層頻率及夾層密度，并且根據(jù)夾層頻率及密度平面分布圖統(tǒng)計出每層的頻率相對高值區(qū)和低值區(qū)，總結(jié)夾層分布特征；根據(jù)物性參數(shù)隨深度的變化趨勢建立了五種儲層層內(nèi)物性非均質(zhì)模式，指出研究區(qū)內(nèi)以a型和c型模式為主。
2. On the basis of utilizing geometric conversion and modification principle of spur and helical gears , the mathematical model for geometric parameters and modification of overlapping coefficients of gear was established , and the calculation method of sliding frictional coefficients under elasto - hydrodynamic lubrication state was introduced , thus let the calculation method of meshing efficiency of gears be more coinciding with the practical application
   在運用直、斜齒輪幾何換算和變位原理的基礎(chǔ)上，建立齒輪的幾何參數(shù)和重迭系數(shù)修正的數(shù)學(xué)模型，介紹了彈流潤清狀態(tài)滑動摩擦因數(shù)的計算方法，從而使齒輪嚙合效率計算方法與實際應(yīng)用更吻合。
3. 3 . the trapping characteristics of ordinary helical gear pump are lucubrated by theory for the first time , the theoretic relation of the gear rotor between the end overlap coefficient and trapping phenomenon is discussed respectively with clearence or without clearcence , and the relation of trapping volume with the rotational angle turn is also discussed . the selective range of the helical angle that can eliminate completely the trapping of helical gear pump is gained , which never appeared in literature before
   首次對普通斜齒齒輪泵的困油特性進行深入的理論研究，分別討論了有側(cè)隙和無側(cè)隙時普通斜齒齒輪泵轉(zhuǎn)子的端面重合度與困油現(xiàn)象之間的理論關(guān)系，以及困油容積隨轉(zhuǎn)角的變化關(guān)系，得到了完全消除斜齒齒輪泵困油沖擊的螺旋角機械科學(xué)研究院博士學(xué)位論文的選擇范圍。
4. Based on the analysis and discussion of characteristics and law of gear engagement under condition of elasto - hydrodynamic , a calculation method on sliding and rolling work loss of standard spur gear transmission had been put forward , and the relationship of geometric parameters and overlapping coefficients of gear with sliding work loss was revealed
   摘要基于彈流潤滑狀態(tài)下的齒輪嚙合特性及規(guī)律分析和討論，提出了標(biāo)準(zhǔn)直齒傳動的滑動功損及滾動功損的計算方法，揭示了齒輪的幾何參數(shù)和重迭系數(shù)與滑動功損的關(guān)系。
5. It's difficult to find overlapping coefficient in a sentence. 用overlapping coefficient造句挺難的