Under the ordinary exciting signal, this method of calculation is just in the same form as that for inverse Laplace transformation of rational fraction by partial fraction expansion.

当激励信号是常见信号时，本文提出的方法与求有理分式的拉氏反变换的部分分式展开法在形式上完全相同。

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If k represented the fraction of money income (PQ) that people preferred to hold, changes in k would cause inverse changes in V.

FORBES: QE2, Trade and Black Box Economics