An expensive tsunami warning system either came to late or did not reach communities at risk after Monday's quake in Indonesia.

周一印度尼西亚地震后，代价不菲的海啸预警机制要么是不够及时，要么是达不到社会应急需求。

youdao

On Wednesday, 20 countries participated in a major Indian Ocean-wide tsunami drill aimed at testing a new tsunami warning system.

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。

youdao

As soon as [the 2004] tsunami happened and people saw the devastation, Congress authorized money for improving the tsunami warning system.

2004年的东南亚海啸让所有人都见识到了它的破坏性，于是国会拨款对海啸预警系统实施改进。

youdao

Its experts serve as part of the Pacific Tsunami Warning System.

VOA: special.2009.03.17

Last year,a tsunami warning system began operating especially for Indonesia.

VOA: special.2009.03.17

It opened the Canadian Atlantic Tsunami Warning System.

VOA: special.2009.03.17

The IOC established the world's first tsunami warning system in the Pacific in 1965.

UNESCO: UK elected to UNESCO oceans body

The Tsunami Warning System in the Indian Ocean was launched and is now operational.

UNESCO: CULTURE

With the most advanced tsunami warning system in the world, Japan is a global standard setter.

UNESCO: Learning from the Great East Japan Earthquake and Tsunami