这项新印度洋海啸预警系统，将取代2004年海啸后，由美国和日本装设的临时系统。
The new Indian Ocean Tsunami Warning System replaces a makeshift system put in place soon after the 2004 Tsunami by the United States and Japan.
联合国教科文组织官员说，全部演习过程，将需要几个星期的时间。如果演习成功，印度洋海啸预警系统将立即取代原来的预警装置。
UNESCO officials say a complete evaluation of the drill will take weeks. If successful, the Indian Ocean Tsunami Warning System will soon take over primary responsibility for the region.
本星期三，20个国家参与了一项涵盖印度洋海啸演习，宗旨在测验一项新的海啸预警系统。
On Wednesday, 20 countries participated in a major Indian Ocean-wide tsunami drill aimed at testing a new tsunami warning system.
多年来，特别是自2004年印度洋海啸造成226000人丧生以来，预警系统变得越来越复杂。
Over the years, early warning systems have grown more sophisticated, particularly since the 2004 Indian Ocean tsunami, which claimed nearly 226,000 lives.
多年来，特别是自2004年印度洋海啸造成226000人丧生以来，预警系统变得越来越复杂。
Over the years, early warning systems have grown more sophisticated, particularly since the 2004 Indian Ocean tsunami, which claimed nearly 226,000 lives.
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