检查对瞬态中包含的能量有显著影响的功率分布参数；讨论如何控制瞬态以减少其有害影响，并建议如何测试电子装置或大型电信装置的抗扰度。

To examine the parameters of the power distribtion that significantly contribute to the energy contained in a transient; to discuss ways in which the transient can be controlled to reduce its harmful effects, and suggest ways in which the immunity of an electronic unit or a substantial telecommunications installation might be tested.