Briefly introduced that the present state of the research and development tendency of the laser warning technique in abroad.

概述了激光告警技术的国外研究现状及发展趋势。

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The technique is critical for identifying abnormalities such as tumors, spotting the warning signs of some brain diseases, and revealing the extent of trauma from strokes.

该技术对于识别大脑异常极为重要，它可以用于诊断脑肿瘤，识别一些大脑疾病的报警征兆，反映出中风造成的创伤程度。

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Mainly introduced the hardware and software design of driving information recording and warning system in addition to its structure, makeup and main technique feature.

介绍了嵌入式行驶信息记录系统的硬件、软件设计方案及系统结构、组成和主要的技术特点。

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