One example that we did, in particular, was to compute the double integral of a quarter of a unit disk.

我们已经做过的一个例子是，计算四分之一单位圆上的二重积分。

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In particular, try to at least set up the bounds of the integral.

特别地，至少要尽力建立好积分边界。

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Each festival meets a particular need in the individuals of that nation and becomes an integral part of a way of life.

每个节日都满足了该国家中个体成员的某种特殊需要，并且构成了生活方式中不可或缺的部分。

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