primary plate 中文意思是什麼

primary plate 解釋
初級板
  • primary : adj 1 第一的,最初的,初級的;初等的;基本的;基層的。2 主要的,為首的,第一位的。3 原始的,根本...
  • plate : n 1 厚金屬板 〈cf sheet〉 板(片);(記有姓名等的金屬)牌子,(尤指醫生的)招牌,藏書牌;【印刷...
  1. At the beginning, the cytoplasm is evently distributed, then it is polar - distribution and at last it only remains between the apical cap and the sperm nucleus. during the period of spermatogonium, chromatin in the nucleus is in the shape of conglomeration and the nucleus is big ( i. e. the proportion of the nucleus to cytoplasm is bigger than spermatocyte ). at the stage of primary spermatocyte, chromatin accumulates to sc complexity. the nucleus of the mature sperm takes the shape of a plate and filmentous chromatins exist freely in uncondensed nucleus

    精子發生過程中,細胞器由少到多,到最後解體;細胞質從均勻分佈,到精細胞期極性分佈,最後殘留于成熟精子的頂帽和精核之間;細胞核在精原細胞期,染色質異固縮,胞核大,即核質比大於后續的精母細胞;在初級精母細胞中,染色質凝聚為sc復合體,到成熟精子,精核呈碟狀,染色質呈絲狀游離于非濃縮的核中。
  2. Numerical simulation of a boiler primary - air flow through a throttle orifice - plate

    鍋爐一次風通過節流孔板時的數值模擬
  3. But the alloys fabricated by normal ingot metallurgy worsen the mechanical properties due to the coarse block - like or plate - like angular primary si particles. multi - layer spray deposit ( mlsd ) technology is a kind of rapid solidification with high cooling velocity up to 1 04 - 1 06k / sec, which can improve the microstructure, lessen segregation and increase the solid - solution of the alloy

    利用多層噴射沉積技術的高冷速(可達10 ~ 4k / s ) ,可顯著改善al - si合金的顯微組織、減少偏析、提高合金固溶度等,使合金性能得以大幅度提高,擴大其應用范圍。
  4. Through simulating model tests of shield tunnel passing through the yellew river in the diversion project from south to north china, a systematic analysis on the primary factors affecting joint stiffness, including arrangement of joint bolt, thickness of annular packing of bolt, behavior and thickness of cushion material between two tube plates, magnitude of prestressing force of joint bolt and different stressed states at tube plate joint etc., are performed. the study results may provide reference for tube plate design of shield tunnel

    通過南水北調穿黃盾構隧道模擬模型試驗,對影響接頭剛度的主要因素即連接螺栓的布置、螺栓墊圈的厚度、管片與管片之間墊層材料的性能和厚度、連接螺栓的預緊力的大小及管片接頭不同的受力狀態進行了系統的分析,為盾構隧道管片設計提供了參考。
  5. Abstract : through simulating model tests of shield tunnel passing through the yellew river in the diversion project from south to north china, a systematic analysis on the primary factors affecting joint stiffness, including arrangement of joint bolt, thickness of annular packing of bolt, behavior and thickness of cushion material between two tube plates, magnitude of prestressing force of joint bolt and different stressed states at tube plate joint etc., are performed. the study results may provide reference for tube plate design of shield tunnel

    文摘:通過南水北調穿黃盾構隧道模擬模型試驗,對影響接頭剛度的主要因素即連接螺栓的布置、螺栓墊圈的厚度、管片與管片之間墊層材料的性能和厚度、連接螺栓的預緊力的大小及管片接頭不同的受力狀態進行了系統的分析,為盾構隧道管片設計提供了參考。
  6. Applied in license plate segmentation problem, a new segmentation method of automobile license plate based on wavelet transform and neural network is pointed out [ 71 ]. 2 ) phase of image feature extraction : combined with the feature extraction of structural and statistical method, a method of image character feature extraction based on wavelet and moments analysis is presented [ 74j. 3 ) phase of image classificaton [ 73 ] : after investigation on intelligence recognition technology, the paper puts forward basic structure of recognition machine ' s model, and makes a primary research of basic structure and design method, then makes research of the multi - character method

    並應用於車牌分割問題,提出基於小波與神經元模式識別的車牌圖像分割方法; 2 )特徵提取階段:將結構特徵提取方法和統計特徵提取方法的緊密有機結合,提出一種基於小波和矩的車牌圖像字元特徵向量提取方法; 3 )分類識別階段:對智能識別技術進行研究,提出智能識別機的模型結構,對識別機的基本層次結構和設計方法進行初探;並針對多特徵方法進行一定的研究;本文提出的基於模式識別的圖像處理方法對其他領域的圖像處理具有一定的參考價值。
  7. The primary direction of my research is the study of license plate character recognition, including the pretreatment of license plate image, license plate character segment and character recognition

    我的研究方向是車牌的字元識別,具體包括車牌圖像的預處理(包括圖像二值化) 、車牌字元的分割和車牌字元的識別三大塊內容。
  8. Primary resonance of thin rectangular plate with material nonlinearity on winkler foundation

    地基上材料非線性矩形薄板的主共振
  9. In the upper primary crushing stage the feed material is pre - crushed between a crushing plate and a crushing roll

    在位於上方的破碎階段,給料在破碎板條和一個軋輥之間被破碎。
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