毛截面面積 的英文怎麼說

中文拼音 [máojiémiànmiànjī]
毛截面面積 英文
gross cross-sectional area
  • 毛 : hairdownfeatherfur
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  • 面積 : [數學] area
  1. First calculation method : doing horizontal projection drawing on drawing piece, k value is introduced by area equation of projection drawing, k value is obtained by area equation, along outline of projection drawing to add k value, that is, outline shape of blank drawing, principle area - equal and shape similar are used. second calculation method : along outline of drawing piece horizontal projection drawing, to do normal line of penetration line for wantonly point of this point, to obtain high of drawing piece on this point normal line, point and point is to form outline shape of blank

    計算方法之一為k值法：作拉深件水平投影圖，在該投影圖面積方程中引入k值，利用面積相等原理解方程，求得k值，沿水平投影外沿加上k值，即為毛坯圖的外廓形狀。計算方法之二為拉深線法：沿拉深件水平投影圖外廓，在任意點作該點切線的法線，在該法線上以該點拉深件的高度為量，在法線上取截點。
  2. In order to relatively hold up mud and sand on the spot and control deposition, we should control head channels, branch channels, main channels on slope surface comprehensively

    通過採用溝頭、支毛溝、干溝及坡面的綜合治理，實現相對就地攔截泥沙，從而達到控制庫壩淤積的目的。
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