It introduces the current hazards of borehole cast-in-place concrete pile, analyses the reasons, and provides the preventions.

介绍了钻孔灌桩柱的常见病害，分析了导致病害及缺陷产生的原因，并针对具体问题提出了防治措施。

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Ed Lyman of the watchdog group Union of Concerned Scientists says current risk estimates for seismic and tsunami hazards may be outdated.

美国科学家联合会监督小组的Ed Lyman说当前对地震和海啸危险的风险评估很可能已经过时。

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By analyzing the hazards and causes of stray current, theoretically raises a method for monitoring the stray current.

通过对地铁杂散电流的危害及其产生原因的分析，从理论上提出了一种杂散电流监测的方法。

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To be sure, the hazards of food-related miscommunication were painfully evident in this current crisis after German officials prematurely identified Spanish cucumbers as the source of the E. coli, victimizing an already economically burdened farming community.

FORBES: E. coli Outbreak Underscores U.S. Food Safety Leadership

With a focus on key topical issues such as marine pollution, exploitation and hazards, chapters range from the history of ocean management to current advances in marine science, observation and management applications, and the international agencies active in co-ordinating this work.

UNESCO: Troubled Waters