Two simple cases, step and impulse function responses, were considered respectively.

分别考虑了两种简单情况下梁的响应：阶跃激励和脉冲激励。

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Two simple cases, step and impulse function responses, were considered respectively.

分别考虑了两种简单情况下梁的响应：阶跃激励和脉冲激励。

youdao