It is the first time to research into the identification problem of major hazard source concerning widespread mined-out area instability systematacially.
首次对大面积采空区失稳的重大危险源辨识问题进行了系统研究。
Evaluations are conducted on the possibility of major hazard source accidents, severity, inherent risk and risk grade and the practical calculations are also conducted.
对重大危险源事故易发性、事故严重度、固有危险性及危险等级进行了评价，并进行了实例计算。
Radon can also be found in drinking water, the concentration depending on the water source, and this can sometimes present a hazard.
饮用水中也可找到氡，浓度取决于水源，有时可造成危害。
It is assumed that the seismic hazard distribution is uniform within the range of each potential source.
假定地震危险性在潜在震源区内的分布是均匀的。
The hazard of using an RSE system with a grounded signal source is the introduction of ground loops, a possible source of measurement error.
在接地信号源RSE测量系统中引入接地环路会导致所测的信号源电压值产生误差。
Potential source zones are 2-d in the current probabilistic seismic hazard analysis methods.
在目前的地震危险性分析方法中，潜在震源区是二维的。
In addition, the influences of various parameters of the recurrence model on the results cf hazard analysis have been primarily discussed in a case of one seismic source.
此外，文中还对一个震源的情况初步探讨了发震模型中的各种参数对地震危险性分析结果的影响。
Geographic information system (GIS) is an important tool for the study of coastal erosion, its Multi-source data fusion and spatial analysis play an important role to research coastal erosion hazard.
GIS具有多源的数据融合和强大的空间分析功能等特点，是海岸侵蚀灾害研究的重要手段和工具。
In some embodiments, the optical power of the optical data signals generated by the optical source 202 can exceed Hazard Level 1 m limits.
一些实施例中，光源202产生的光数据信号的光功率可能超过危险程度1M界限。
The author elaborated the dangerous source, the dangerous factor, the dangerous way, the hazard point distribution definition and the identification method, .
论述了危险源、危险因素、危险途径、危险点分布的定义与辨识方法，以水电工程施工作业系统为研究对象给出了辨识示例。
In this paper, seismic hazard analysis of the Dalian Dashagou source site is presented by using fault-rupture model and the physical relations based on historical earthquakes in our country.
本文使用断层破裂模型及建立在我国地震资料上的物理关系式，对大连大沙沟水厂场地进行了地震危险性分析。
In this paper, seismic hazard analysis of the Dalian Dashagou source site is presented by using fault-rupture model and the physical relations based on historical earthquakes in our country.
本文使用断层破裂模型及建立在我国地震资料上的物理关系式，对大连大沙沟水厂场地进行了地震危险性分析。
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