acting faults

• 活动断层

acting faults的用法和样例：

例句

1. Along some active faults we can see clear alignments of microearthquakes.
   微震清晰地沿着某些活动断层排列着。
2. Active faults or tectonic lines are clear boundaries between a very active region and a quiet region.
   活动断层或构造线是强烈活动已和平静区之间的清晰边界。