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stochastic change
相关语句
  随机变化
     By analyzing stochastic change of traffic state of actual traffic network and ideal traffic state of ATIS, this paper holds that external environment factors is intrinsic characteristics of traffic network and will not change with application of ATIS, but technical factors will be progressively improved with development of ATIS, so these two sorts of factors can be separately taken into account in analysis of ATIS benefits.
     通过分析实际交通网络典型时段不同工作日交通状态的随机变化以及与ATIS期望交通状态的差别认为:ATIS的外部环境因素是城市交通网络所固有的,不随ATIS的实施而发生变化,而技术因素会随着ATIS的发展逐步得到改善,这两类因素可以分别考虑。
短句来源
  随机量
     not only it has a stochastic change,but also it has a confirmed value (9.8km/s).
     它不仅是随机量,而是具有大小为9.8km/s的定常量。
短句来源
  “stochastic change”译为未确定词的双语例句
     To analyze the great or small of error in average grade of ore body which is calculated by arithmetic mean method and weighted mean method from tendentious change and stochastic change of ore grade,it explains the great or small of area has certainly weight. The great or small of weight must be suitably defined,otherwise the error calculated by weighted mean method is big than the error calculated by arithmetic mean method.
     从矿石品位的趋势性变化与随机性变化分析算术平均法与加权平均法在计算矿体平均品位中的误差大小,说明面积的大小有一定的权,权的大小必须给的恰当,否则加权平均法的误差将大于算术平均法的误差.
短句来源
     This paper applies the Grey System Model GM(1,1) to simulate the tendency of dynamic change of water table,and the mixed linear regressive model to simulate the periodic and stochastic change. Coupling these two models becomes a widened mixed linear regressive model. An example shows that the coupling model has a high precision.
     对地下水位动态变化中的趋势性变化应用灰色系统的GM(1,1)模型来模拟,而对地下水位动态变化中的周期性和随机性变化采用混合性线回归模型来模拟,两者耦合组成所谓的增广混合线性回归模型,具有较高的精度。
短句来源
     It shows that the annual runoff has indistinctive increasing trend, obvious periodical change and stochastic change.
     根据分析结果,卡群站年径流量具有不显著的递增趋势和明显的周期变化,同时具有一定的随机性
短句来源
     The stochastic change in operation states of equipment and network is described by probabilistic method. The fuzziness in parameters,state probabilistic of equipment and loads is described by fuzzy set. Fuzzy reliability indexes are obtained by means of fuzzy set calculation.
     应用概率统计理论描述和处理设备与电网运行状态变化以及负荷状态变化的随机性 ,应用模糊集合论描述设备故障率、修复率、设备状态概率、电网状态概率及某负荷水平发生的概率和负荷水平预测值等数值上的模糊不确定性 ,并利用相应的模糊集合运算得出电网的模糊可靠性指标。
短句来源
     From the forecasting results obtained,it can be concluded that the annual runoff has indistinctive decreasing trend and obvious periodical change and stochastic change.
     从模型的识别过程可得,乌拉斯台河年径流具有不显著的递减趋势和明显的周期变化,同时具有一定的随机性。
短句来源
  相似匹配句对
     Change
     变化
短句来源
     Stability of Stochastic Linear Systems with Time-Change
     随机时变线性系统的稳定性
短句来源
     A sudden change of a conservative stochastic web
     一例保守随机网的突变
短句来源
     Change Yourself
     改变你自己
短句来源
     STOCHASTIC PROCESSES IN PHYSICS
     物理学中的随机过程
短句来源
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  stochastic change
It is shown that one can generalize the procedure of a stochastic change of time to random processes associated with fourth-order differential equations.
      
The analysis of stochastic change in the cutting force is required to study the processes of mineral excavation by the combined cutter loader.
      


In the recent years, some persons have done a serious of theoretical and experimental studies on the fractal problems of biological macromolecular structures and got some greater progresses.In view of biosystem being a non-linear sy tem, organic evolution being a non-linear procedure and fractals being one of the non-linear features, we consider that do further the detail research on the relationship between molecular evolution of homologous biological macromo-lecules and their fractal dimensions to be necessary....

In the recent years, some persons have done a serious of theoretical and experimental studies on the fractal problems of biological macromolecular structures and got some greater progresses.In view of biosystem being a non-linear sy tem, organic evolution being a non-linear procedure and fractals being one of the non-linear features, we consider that do further the detail research on the relationship between molecular evolution of homologous biological macromo-lecules and their fractal dimensions to be necessary. In this work, we calculated that the fractal dimensions of more than 80 kinds of 5S rRNA including animals, plants and bacteria, based on using the principles of fractal theory and improving the theoretical computing methods of ma-cromolecular fractals, and investigated the relations of 5S rRNA fractal dimensions with molecular evolution.The results indicated that during the evolution from simple eukaryotes (e. g., bacteria) to complex eukaryotes, on the one hand, because 5S rRNA structure tends toward complex, its average fractal dimension is increased; on the other hand, during the evolution from lower eukaryotes to higher eukaryotes, because the order degree of 5S rRNA structure is increased, it also make the sequence average fractal dimension occur a decreasing tendency. The fluctuation of 5S rRNA sequence structural fractal dimensions reflects the complexity and non-linearity during molecular evolution.The authors suggest that the relationship between the fractal dimensions of 5S rRNA sequences and molecular evolution is a complex non-linear relation. The sequence fractal dimensions during the evolution are not the simple increase or decrease with molecular evolution, but there is a fluctuation, and the fluctuation is stochastic. Therefore, the structural change of 5S rRNA sequence in two-dimensional base space is also stochastic. We consider that the case may be resulted from gene random drift causing the stochastic change of the sequence structure.

本文根据分形理论的原理和方法,在对现行的计算核酸序列分维的方法进行修改的基础上,对各类生物的80余种5SrRNA序列的分维进行了计算,并结合耗散结构理论就其分维与分子进化的关系问题进行了研究和探讨。作者认为,5SrRNA序列的分维与其分子进化间的关系是一种复杂的非线性关系,在分子进化的过程中,序列的分维表现为随机涨落。

In the paper,the feature of angular momentum in the coronal expansion is discussed.According to the calculation of data on the Type-I cometary tails,the tangential component of coronal expansion is verified;not only it has a stochastic change,but also it has a confirmed value (9.8km/s).Since the solar evolution reached to the main sequence stage,the sun lost the 80% of its angular momentum,thus the angular velocity of its rotation is reducing by the power index law.

本文讨论了日冕膨胀中的角动量问题。利用大量I型彗尾资料的计算,证实了日冕膨胀中方位分量的存在;它不仅是随机量,而是具有大小为9.8km/s的定常量。太阳演化到主序星阶段以来,由于日冕膨胀丢失了80%的角动量,太阳自转角速度正以指数律下降。因此,这将对太阳动力演化起到很大的影响。

To analyze the great or small of error in average grade of ore body which is calculated by arithmetic mean method and weighted mean method from tendentious change and stochastic change of ore grade,it explains the great or small of area has certainly weight.The great or small of weight must be suitably defined,otherwise the error calculated by weighted mean method is big than the error calculated by arithmetic mean method.

从矿石品位的趋势性变化与随机性变化分析算术平均法与加权平均法在计算矿体平均品位中的误差大小,说明面积的大小有一定的权,权的大小必须给的恰当,否则加权平均法的误差将大于算术平均法的误差.

 
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