He carried a radio so he could call commercial airline pilots to relay messages in case of emergency, but he discovered that it wasn't working.

他随身携带了无线电设备，以便在紧急情况下呼叫经过这里的飞行员，但最终发现设备根本不起做用。

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Specializing in sea lifesaving, petroleum vitta reconnaissance, locating sign, self-service relay station, emergency electrical source, etc, civil and military affairs.

特别适合用于海洋救生、石油管道勘测、示位标、无人中继站、应急电源等军事民事领域。

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The paper provided an economic and practical self-rescuer relay emergency refuge method. The personnel into the mine shall wear the compressed oxygen self-rescuer.

提出了经济实用的自救器接力紧急避险方法：入井人员佩戴压缩氧自救器；

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Since the primary waves travel more quickly than the comparatively sluggish secondary waves, the system picks up on the magnitude and speed at which the quake is approaching, and beams the data over fiber optic networks to emergency relay stations setup in corporate towers, governmental buildings, hospitals, and transportation venues such as railways.

ENGADGET: Japan Meteorological Agency develops earthquake warning system

The satellite also contains a "search and rescue" transponder that will allow it to relay distress signals from emergency beacons.

MSN: Satellite's first photo of Earth is an impressive one