Multiple Integrals

1. Multiple Integrals

   
  更新1:  I want to ask part b   why the range of φ is [π/6  π] but not [0  π/6]?
   (a) (i) ∫_[-3  3]∫[_[x^2  9]∫_[0   9-y] f(x  y  z) dz dy dx The plane y+z=9 intersects the xy-plane at y=9   so that   the base of D is { (x   y) | x^2  = √(3x^3+3y^2). If you recognize the outside parts of the cone as z > = √(3x^2+3y^2)   then φ=0~π/6.   

2. integer multiple是什么意思

【integer multiple】意思是【整倍数；整数倍数】。
英 [ˈɪntɪdʒə ˈmʌltipl] 
美 [ˈɪntɪdʒɚ ˈmʌltəpəl]


双语例句
1. The higher bandwidth is an integer multiple of the lower bandwidth.	
较大的带宽是较低的带宽的整数倍.
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2. The present paper reports the integer multiple rhythms observed in spontaneously and synchronously beating cardiac myocytes.	
实验报道心肌细胞团自发性同步化搏动的一类新节律—整数倍节律.
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