Disaster rescue, by its very nature is a high-risk activity.

本质上，灾难救援是一项高度危险的行动。

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The psychology intervening in calamity accident rescue refers to a series of psychology activity that the party go on while meeting the disaster accident.

灾害事故救援中的心理干预是指在遇到灾难事故时对当事人进行的一系列心理疏导活动。

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Based on the feature of modem submarine activity, analyse the existing problem, and discuss the development tendency of submarine rescue.

本文根据现代潜艇活动的特点，分析了目前潜艇救生存在的问题，对潜艇救生的发展趋势进行了探讨。

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"These towers serve other important functions -- including law enforcement activity, medical transport flights, search and rescue missions, business and commerce and supporting flight schools across America, " the association said in a statement.

CNN: Who's in the tower? At some regional airports soon: Nobody

Murray has insisted a magnitude-3.9 earthquake caused the mine collapse, and has said at least 10 "aftershocks" have been recorded, with seismic activity earlier wiping out more than 300 feet of progress and halting rescue efforts temporarily.

CNN: Camera lowered into mine cavity shows 'survivable space'