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δ

δ

δ

1

The final formula for the moment of inertia about the origin is the double integral of a region of r squared density dA .

关于原点的转动惯量，就是在区域上，求 r^2*δ *dA 的二重积分。

2

If it's more complicated , well, I'll choose depending on how I feel about it Yes? Delta is the density .

如果更复杂的话，就取决于直觉，请讲，δ 是密度。

4

The function that I am integrating is x times delta where density will be given to me maybe as a function of x and y .

被积函数是 x*δ ，密度可能会由 x 和 y 的一个函数给出。

5

Destructive tests on welds in metallic materials - Method for taking samples for delta ferrite measurement .

金属材料焊接的无损检验 .测量 δ 铁素体用的取样方法

7

For a solid with density delta, each little piece has mass which is the density times the amount of area .

对于一个密度为 δ 的物体，每个小薄片都有一个质量，也就是密度乘以面积。

8

The angular momentum change must be torque t times delta t.

角动量的改变就是，力乘以 δ

9

Delta the change in number of moles .

δ 是摩尔数变化量。

10

Same as above except it is resistant to formulation of sigma phase .

以上述相同，但是还具有抗 δ 相成份的性能。

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