board classification 中文意思是什麼

board classification 解釋
粗分類法
  • board : n 1 板〈通常指寬4英寸半以上厚2英寸半以下者〉，木板；紙板。2 （廣告）牌；（棋）盤；〈口語〉配電盤...
  • classification : n 1 選別；分等，分級；分選。2 【動、植】分類（法）。 〈分類級別為： phylum 【動物；動物學】及 div...
  1. The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus

    本文以大量的重載道路資料為主，從實際出發，結合理論計算，對重載標準進行了詳細的討論，分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了；同時，通過大量的水泥混凝土板底應力計算，推導出了混凝土面板荷載與板底應力水平的關系式；給出了水泥混凝土路面與瀝青混凝土路面的交通分級；通過對試驗路各結構層進行承載板測試，發現現有材料模量較以前有了明顯的提高；對比現場實測的當量回彈模量與理論當量回彈模量，指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料，從而提出了對理論模量的修正公式。
  2. The statutory pharmacy and poisons board is responsible for the registration and classification of pharmaceutical products

    法定的藥劑業及毒藥管理局負責有關的注冊及分類事宜。
  3. The british board of film classification bbfc decided the film contained " moderate fantasy violence, threat and horror "

    英國電影分級委員會認為這部影片中有一些「中度虛幻的暴力威脅和恐怖。 」
  4. The british board of film classification ( bbfc ) decided the film contained " moderate fantasy violence, threat and horror "

    英國電影分級委員會認為這部影片中有一些「中度虛幻的暴力、威脅和恐怖。 」
  5. Based on the main board of physical fault classification, and then analyze the causes of physical and computer main board, the common maintenance

    本文從主板的物理故障分類入手，分析了計算機主板發生物理故障的原因，介紹了常用的維修方法。
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