在1970年代形成的新的分析工具的影响，似冲击波一般从经济学专业的核心向外扩散。
The effects of new analytical tools developed in the 1970s spread out from the profession's core like a shockwave.
这个过程可以在埃亚非德拉火山记录片中看到：冲击波在在浓烟中扩散，携带着黑暗的火山灰云进入大气层。
This process can be seen in a movie of the Eyjafjallajokull volcano where the shock waves propagating in the smoke are followed by the rise of dark ash clouds into the atmosphere.
当这颗恒星爆发的时候，它产生的冲击波向周围扩散，如同一个铲雪犁一般掀起路径上的星际尘埃。
When the star exploded, it sent out a blast wave into the surrounding material, scooping up interstellar dust and gas as it went, like a snow plow.
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