... 撞击定律 impact law 撞击痕impact scar 撞击说 impact theory ...
双语例句
1
Race to See Jupiter's New Impactscar.
竞相观测木星上的新撞击疤痕。
2
The impact wear behavior of AZ91D magnesium alloys in de-ionized water has been investigated. The results showed that the depth and area of wear scar increased with the impact cycles.