For most earthquakes, Wadati discovered, the interval was quite short near the epicenter; the point on the surface where shaking is strongest.
达清夫发现,对于大多数地震来说,震中附近的时间间隔都很短;震中指的是地表上震动最强烈的地方。
Because P and S waves travel at different but fairly constant speeds, the interval between their arrivals increases in proportion to the distance from the earthquake focus, or initial rupture point.
由于P波和S 波以不同但相当恒定的速度传播,它们到达的间隔与到震源或初始破裂点的距离成比例地增加。
The action should occur after the specified time interval from a specific reference point.
行为应该从指定参照点的指定时间间隔之后发生。
These methods then repeat the test at the interval defined by the delay until either time runs out or the verification point passes, as shown in Listing 6.
然后这项方法会在延迟定义的间隔时间内进行重复,直到时间用完,或者已经过了确认点为止,如代码清单 6 所示。
From a performance point of view, you should set the refresh interval as high as possible.
从性能角度看,您应该将刷新间隔设置得尽可能高。
Interval - an interval scale is a scale of measurement in which the distance between any two adjacent units of measurement (also known as intervals) is the same, but the zero point is arbitrary.
定距尺度(interval)—在定距尺度中,任意两个相邻测量单位之间的距离(也称为间距)是相等的,但零点是任意的。
The depth of the sea at that point can be calculated by measuring the time interval between the taps and the return of the echoes.
通过测量敲打和回声之间的时间间隔可以计算出该处海洋的深度。
In order to estimate the reliability of surface area measurement, interval estimation must be given together with point estimation.
为了对比表面测定结果的可靠性作出估算,除了给出点估算值外,还应同时给出区间估算直。
Therefore, point and interval prediction for system efficiency can be realized through frequency of frequency converter.
因此可由变频器的频率对其效率进行点预测或区间预测。
Hot switching may be required when the interval from when power is applied to the point when the measurement is made must be closely controlled.
当必须严格控制从施加电压到进行测量之间的时间间隔时,就需要采用热切换。
Meanwhile, by using interval estimation instead of the conventional point estimation, the lower and upper confidence limits, the confidence intervals of structure concrete strength are derived.
运用区间估计方法代替传统的点估计方法,导出结构混凝土强度的置信上限、下限和置信区间。
For the case of the reliability statistical test which is a small sample, this paper presents disadvantages of point and interval estimation of classical reliability.
本文针对小子样可靠性统计试验的特点,指出经典可靠性点估计和极大似然区间估计的不足。
By increasing the condition of the integral mean value theorem, we prove that the existence of intermediate point and the existence of interval are corresponding to each other.
给出了积分中值定理的一个注记,证明了中值点的存在性与覆盖中值点的区间的存在性是相互对应的。
The concepts of interval ideal point and projection of each alternative on the interval ideal point, etc.
定义了区间型理想点以及决策方案在区间型理想点上的投影等概念。
And finally we prove that let a be a subset of real Numbers, if every continuous function which is defined on a and taken value in a has fixed point, then a is a finite closed interval.
最后还证明了对于实数的子集a,如果定义在A上取值于A内的任一连续函数都有不动点,则A为实数的有限闭区间。
Data sets of point and interval dimensions are important in spatial database system and GIS.
点和区间混合型维度数据集是空间数据库系统和GIS中重要的数据对象。
We obtain a sufficient condition and a essential - sufficient condition about convergence at the end point of the convergence interval of power series.
通过对阿贝尔定理的深入探讨,获得了幕级数在其收敛区间端点收敛的一些判别条件。
A point operator by means of interval index of an element in the interval valued fuzzy set is introduced.
借助区间值模糊集中元素的区间指数,引入点算子,该算子将一区间值模糊集与一模糊集族联系起来。
To construct confidence interval, the limiting distribution of change-point estimator is obtained.
为构造变点的置信区间给出了变点的极限分布。
We obtain the existence of positive solutions of BVP (3.1.1) and the existence interval of positive solutions of BVP (3.1.2), by using fixed point index theorems.
通过使用不动点指数定理,我们得到了问题(3.1.1)正解的存在性以及问题(3.1.2)正解的存在区间。
Linear confidence interval of a normal mean is considered from the decision theoretic point of view.
从统计决策理论角度研究了正态均值的线性置信区间。
The research results indicate that dynamic subsidence of the ground surface point follow the fractal increment model in a proper non-scaling interval.
研究表明,地表动态下沉在一定的无标度区间符合自相似分形增长模式。
The intensity of vibration superposition is affected by the characteristics of explosion source , millisecond delay interval and distance between explosion source and measuring point.
中远区微差爆破振动叠加效应产生的主要因素是介质的衰减慢。 振动叠加强度与爆源结构特性、爆心距和间隔时间有关。
Results Through predicting seasonal trends, the point estimation and interval prediction of clinic visits in various months of 2010 were calculated.
结果通过季节趋势预测,得到该院2010年各月门诊诊次的点估计值和区间预测值。
Prediction on Hangzhou "s tourist flows is made by the analysis on the linear model of point prediction and interval prediction."
通过线性模型的点预测和区间预测对杭州境外旅游流进行了预测预报。
It is a difficult point to teach the students solving the wave equation on finite interval by the reflection law of the wave.
用波的反射原理求解有限区间上的波动方程是数学物理方程中的基本内容,也是教学中的难点内容。
Secondly, shock layer corrective term near the interior point in the interval is constructed via the transformation of stretched variable.
利用伸长变量,在区间内点附近构造问题解的激波层校正项;
Secondly, shock layer corrective term near the interior point in the interval is constructed via the transformation of stretched variable.
利用伸长变量,在区间内点附近构造问题解的激波层校正项;
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