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超越概率水平
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  excess probability levels
     In this paper the probabilty density function of seismicity, the average return period formula of the seismic intensity excess given value Ij, and the average return period of seismic intensity corresponding to various excess probability levels are inferred by using the maximum entropy principle.
     利用最大熵原理推导了烈度的概率密度函数、烈度超越给定值I_j的平均重现期公式和各种超越概率水平对应的烈度的平均重现期公式。
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  “超越概率水平”译为未确定词的双语例句
     The probability of the still water load processes' exceeding the codified maximum allowable moment for 20 years is prescribed as the probability level by which load effect characteristic extreme values are determined.
     考虑到规范中给定的最大允许静水载荷效应对应的普遍接受的超越概率水平 ,以及静水载荷过程跨越某一固定水平概率的上界特性 ,规定静水载荷过程超越 2 0年最大允许静水弯矩的概率为确定载荷效应特征值的概率水平 .
短句来源
     This results in conservative fortification and large investment against earthquakes. The third generation seismic division map (1990) gives the intensity under 10% exceeding probability in 50 years. The fourth generation seismic division map (2001) adopted the same exceeding probability.
     我国现行的地震烈度区划图(1990)给出的是未来50年超越概率10%水平下的烈度值,“中国地震动参数区划图(2001)”也采用了相同的超越概率水平
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     Through the basic computation above, the following results can be acquired: (1)Any construction site' s exceeding probability on a fault segment or displacement value under some exceeding probability in a period of time.
     通过以上这样一个基本的运算,最终可以求得:①断层段上任何一个工程场点在未来一定时段内,某一超越概率水平下的位移值,或者超越某一位移值的概率。
短句来源
     It is different from the seismic zoning maps of China which were compiled in 1957 and 1977. The users concern the concept of exceeding probability and probability level of 0. 1 in 50 years adopted by the new zoning map.
     人们普遍关注该图与我国曾经编制的地震区划图(1957年版,1977年版)的区别,该图超越概率概念的内含和外延以及超越概率水平为什么采用50年超越概率0.1。
短句来源
     The main method is: the authors regard the body of landslip as a structure of complete system, and the landslip site as an engineering one. They have used well-considered hazard analysis to caculate the earthquake peak acceleration of the landslip which will experence probability in the future years.
     主要思路概括为:将滑坡体视为一个完整体系的结构物(或震动对象),将滑坡场点视为一个工程场点,利用比较成熟的地震危险性概率分析方法计算滑坡体未来若干年内可能遭遇的不同超越概率水平下的地震峰值加速度,这种不确定性的地震加速度是由地震预报的不确定性带入的,由此计算地震力和惯性力。
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The Chinese new seismic zoning map(1990 version)is compiled by using the method of seismic hazard analysis. The intensities noted in this map is the intensity of specific site. The exceeding probability of this value is 0. 1 within 50 years. It is different from the seismic zoning maps of China which were compiled in 1957 and 1977. The users concern the concept of exceeding probability and probability level of 0. 1 in 50 years adopted by the new zoning map. These questions are discussed in this paper. The previous...

The Chinese new seismic zoning map(1990 version)is compiled by using the method of seismic hazard analysis. The intensities noted in this map is the intensity of specific site. The exceeding probability of this value is 0. 1 within 50 years. It is different from the seismic zoning maps of China which were compiled in 1957 and 1977. The users concern the concept of exceeding probability and probability level of 0. 1 in 50 years adopted by the new zoning map. These questions are discussed in this paper. The previous two maps focused on the prediction of earthquake, while the new zoning map focus on the prediction of ground motion. The zoning map represents the seismic hazard of a specific site, not the regional hazard totally. It is very important for taking countermeasures of regional earthquake disaster to understand this distinction. We hope the above discussion will be benifit to the using of the new zoning map.

我国新的地震区划图(1990年版)是采用地震危险性慨率分析方法编制的。该图给出的是场点地震烈度值,该值在50年内被突破的概率为0.1。人们普遍关注该图与我国曾经编制的地震区划图(1957年版,1977年版)的区别,该图超越概率概念的内含和外延以及超越概率水平为什么采用50年超越概率0.1。本文围绕这些问题进行了讨论。分析结果表明,前两张地震区划图编图的基本着眼点都是地震预测,而新的地震区划着眼于场点的地震动预测。新的地震区划图是按场点地震危险性分析方法给出的,它所表示的地震危险性只能针对具体的场点,不能完全反映区域的地震危险性特征。而弄清场点地震危险性和区域地震危险性的差异是正确进行区域防灾对策的基础。作者希望这些讨论能对正确使用新的地震区划图有所裨益。

According to the maximum entropy principle,Probability density function, repiti-tion interval of exceeding giving value Ij etc. have been deduced.Making use of earthquakedata from 1022 to 1993, the intensity of Taiyuan area is computed because of some earth-quake (Ms≤4)occurred near by it. Comparing the result with the one given by syntheticprobability method,resulting two results of the exceeding probability curve of intensity dur-ing future 100 years coincide with each other.

本文利用最大熵原理推导了烈度的概率密度函数、烈度超越给定值Ij的平均重现期公式和各种超越概率水平对应的烈度的平均重现期公式。根据1022年至1993年的地震资料,计算了太原(37.86°N;112.54°E)周围4级以上地震在太原造成的烈度,绘制了太原未来100a烈度超越概率曲线,并和我国现行的地震危险性分析的综合概率法的计算结果进行了对比,结果表明两种不同的方法给出的未来100a烈度超越概率曲线很接近,对太原各类不同要求的工程的抗震设防烈度值的结论性意见则完全一致,因此计算场地烈度的最大熵方法可作为地震危险性分析的综合概率法的补充和验证。

In this paper the probabilty density function of seismicity, the average return period formula of the seismic intensity excess given value Ij, and the average return period of seismic intensity corresponding to various excess probability levels are inferred by using the maximum entropy principle. The author calculated the intensity caused by the earthquakes with M≥4 occurred around Linfen area and gave the probability curve of intensity excess for Linfen area in future 100 years. Also, author made comparison...

In this paper the probabilty density function of seismicity, the average return period formula of the seismic intensity excess given value Ij, and the average return period of seismic intensity corresponding to various excess probability levels are inferred by using the maximum entropy principle. The author calculated the intensity caused by the earthquakes with M≥4 occurred around Linfen area and gave the probability curve of intensity excess for Linfen area in future 100 years. Also, author made comparison of the above-mentioned data with the calculated results by using the comprehensive probability method of seismic hazard, which is prevailing in our country at present.

利用最大熵原理推导了烈度的概率密度函数、烈度超越给定值I_j的平均重现期公式和各种超越概率水平对应的烈度的平均重现期公式。作为应用的实例计算了临汾周围4级以上地震在临汾造成的烈度,绘制了未来百年临汾的烈度超越概率曲线,并和我国现行的地震危险性分析的综合概率法的计算结果进行了对比。

 
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