The affected area is part of a seismically active zone.

受灾地区属于地震活动区。

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The recent quakes in Japan, New Zealand and Chile were all located on the ring of fire, a seismically active zone encircling the basin of the Pacific Ocean.

最近日本、新西兰和智利的地震都是发生在“火环带”上，这是一个环太平洋的地震活跃带。

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The incomplete beach and reef flat is situated on the active zone of coastal process.

珊瑚礁海岸发育不完全的海滩和平缓的礁坪都处于海岸作用最活跃的位置。

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In its legal submissions, the US justice department argues that because Afghanistan is an active combat zone it is not possible to conduct rigorous inquiries into individual cases and that it would divert precious military resources at a crucial time.

BBC: Ex-detainees allege Bagram abuse

The prudent use of coastal development setbacks or establishing a safe distance between buildings and the active beach zone can ensure that space is provided for a beach to move naturally, both during normal events and infrequent hurricanes, thereby ensuring the beach is conserved for all to enjoy and that coastal infrastructure remains intact.

UNESCO: Introduction

Also included would be people like our soldiers in foreign wars who are exempted from paying income taxes while they are on active duty in a war zone.

FORBES: The Real Truth Behind The 47 Percent - Why Aren't These People Paying Federal Income Taxes?