Transfixed by images of the ash cloud on a new visualisation system created for the purpose since Eyjafjallajokull's eruption, they set up a "crisis cell" and sent out changes to flight plans.

自从艾雅法拉火山爆发后，一种新的可视化系统应运而生。航空界被该系统上火山灰云的图像震撼，建立了“危机单元”并变更飞行计划。

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This is sickle cell anemia in sickle cell crisis.

出现镰状细胞危象的镰状细胞贫血。

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Developing hydrogen-energy is an important method to solve the global energy crisis and the air pollution, and the fuel cell is the best way in which hydrogen is utilized.

开发氢能源是解决全球能源危机和大气污染的一项重要措施，而燃料电池是一种利用氢能进行能量转换的有效装置。

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Mr Martin has called on Madrid to set up a "crisis cell" made up of the ministries of interior, foreign affairs and defence among others to tackle the problem.

BBC: Migrant centres on the islands are reaching full capacity

Have you ever been able to use a cell phone during a major crisis?

FORBES: 5.9 Earthquake Hits East Coast

It would have been harder for Argentina to solve its debt crisis by snatching dollars if those dollars had been stored on a few million cell phones and were needed for tomorrow's groceries.

FORBES: Telewallets