occurrence time造句

• The occurrence time the draconids maxima is as follows
  这次天座流星雨的极大期时间如下：
• The occurrence time the perseids maxima is as follows
  这次英仙座流星雨的极大期时间如下：
• But the whole progress of the research is still behind the prediction of the occurrence time
  但其总的研究进展仍远远落后于发生期的预测。
• Treat dose directly affect the injury symptom type , occurrence time , injury degree , spots distribution , spots spread and color transformation
  处理剂量的高低对伤害症状类型、出现的早晚、伤害程度、伤斑分布、伤斑扩展和色泽变化等均有直接影响。
• The anomaly of greenland sea - ice area can affect sand - storm ' s occurrence times in ningxia ( north of china ) in later through affecting air circulation backgrounds
  格陵兰海冰面积的异常变化通过影响后期的大气环流，从而影响于夏(我国北方)沙尘暴的发生。
• 4 . the global temperature increase is one of the possible reasons for the total decrease trend of sand - storm ' s occurrence times in ningxia ( north of china )
  4 、宁夏(我国北方)沙尘暴发生次数在环境总体恶化的情况下反而呈下降趋势，可能是全球气候变暖所致。
• Result is as follows : in the middle of october , the primordium of ovulate strobilus occurred , its occurrence time varied between different - aged ramets and different occurrence part
  结果表明：雌球果原基发生时间为10月中旬，不同的树龄和着生部位，其发生时间不同。
• In this paper , we consider a sparre andersen risk model with geometric distribution of claim inter - occurrence times . the claim size distribution can be a general discrete distribution
  本文研究了索赔到达间隔服从几何分布、索赔额分布为一般离散分布的sparreandersen风险模型。
• 3 . the correlations are significant between sea - ice area index of kara barents and greenland seas , which locate on the north of the continent of europe and asian , and spring sand - storm ' s occurrence times in ningxia
  3 、宁夏春季沙尘暴发生次数与欧亚大陆北部的喀拉海、巴伦支海、格陵兰海冰面积指数之间有显著的相关关系。
• The air circulation fields , which are related to interannual variable of spring sand - storm ' s occurrence times in ningxia , are different during the two periods of before and after the sudden change year , which are from 1960 to 1984 and from 1985 to 2000
  与沙尘暴年际异常相联系的环流形势场，在突变前后两个时段内( 1960 - 1984年和1985 - 2000年)是不同的。沙尘暴发生次数受年代际变化影响比较大。
• Based on sand - storm ' s occurrence times data in ningxia , arctic sea - ice area index data , height and wind fields data of ncar / ncar reanalysis , the basic variable rules and anomalous air circulation background fields of spring sand - storm ' s occurrence times in ningxia are systematically analyzed . more attention was paid on studying the tele - connections between arctic sea - ice areas and spring sand - storm ' s occurrence times in ningxia , and impossible affecting process of greenland sea - ice areas " anomalies on sand - storm ' s occurrence times . the results are as follows : 1
  本文根据宁夏沙尘暴发生次数资料、北极海冰密集度资料和ncar / ncep再分析资料，较系统地分析了宁夏春季沙尘暴发生次数的基本变化规律及其异常的大气环流背景场，重点研究了北极海冰与宁夏春季沙尘暴发生次数之间的遥相关关系以及格陵兰海冰异常变化对沙尘暴的可能影响途径，结果表明： 1 、夏春季沙尘暴发生次数在1960 - 2000年有明显的年代际和年际变化特点，总体呈减少趋势，且在1984年发生了明显的突变，有10年和7年左右的周期。
• In chapter 1 , we briefly reviewed the risk theory and its development . and the significance about this paper was expressed . in chapter 2 , we introduced classical risk model . in which , making this risk process into a strong markovian process is the preparation of deriving the main results . chapter 3 is the main body of the paper , we derived the results about general ruin probability in a kind of continuous time risk model with deficit - time geometry distribution of claim inter - occurrence time . the martingale approach is a good procedure to get the expression of ruin probability about a class of continuous time risk models with deficit - time geometry distribution of claim inter - occurrence time . we also take advantage of change of measure idea from it
  第二章介绍了经典风险模型，其中用逐段决定马尔可夫过程理论及补充变量技巧，使一类风险模型的盈余过程成为齐次强马尔可夫过程。第三章作为本文的主体部分，在索赔到达间隔服从亏时几何分布的连续时间风险模型中，索赔额分布为一般分布，它的破产概率可以利用pdmp中的广义生成算子得出鞅，通过调节系数的选择以及在相应测度下的测度变换，使得破产概率的一般解可以表示出来。
• Through statistics and analysis of fluid a nomaly characteristics , this paper obtained the time distribution characteristics of fluid a nomaly of the moderately strong earthquakes , especially those with intensity v , earth quakes in beijing and its adjacent area , and summarized the leading time of each phases anomaly before the earthquakes , which can be regarded as index of occurrence time of earthquakes
  通过对流体异常特征的统计分析，给出了北京及邻近地区的中期、中短期、短期和短临异常的时间分布特征，并对地震前各阶段异常的超前时间进行了总结，该时间可作为发震时间的预测指标。
• This paper includes three chapters . several elementary concepts of pdmp and the extended generator of pdmp are introduced in the first chapter . the classical risk model and the sparre andersen model are introduced in the second one . the third chapter is the main body of this paper in which the ruin problem of sparre andersen model with geometric distribution of claim inter - occurrence times is considered and the lundberg bound is derived
  本文共三章。第一章是预备知识，介绍了逐段决定马尔可夫过程的一些基本概念及pdmp的广义生成算子；第二章介绍了经典风险模型及sparreandersen模型；第三章是本文的主体，讨论了索赔到达间隔服从几何分布的sparreandersen模型的破产问题。
• In this paper , we use the idea of the classical risk model and consider a continuous - time risk model with inter - occurrence times following the deficit - time geometric distribution . by an application of the key renewal theorem in the case of the lattice distribution we derive lundberg bounds , cramer - lundberg approximations to the ruin probability and finite - horizon lundberg inequalities
  本文利用经典风险模型的思想，对索赔到达时间间隔服从亏时几何分布的连续时间风险模型做了进一步的研究，应用关键更新定理(格点分布的情形) ，得到了破产概率的lundberg界， cram r - lundberg逼近以及有限时间破产概率的lundberg不等式。
• In the study of risk theory , a class of continuous time risk process with deficit - time geometry distribution of claim inter - occurrence time was made into a strong piecewise - deterministic markov process with the theory of piecewise - deterministic markov process and by introducing a supplementary variable . martingale approach is one of the most powerful methods of pdmp . the programming process is getting the ruin probability from the martingale construction . we use the idea of change of measure in the programming process and find the result and the function of adjustment coefficient
  本文应用逐段决定马尔可夫过程理论及补充变量技巧，使索赔到达间隔服从亏时几何分布的连续时间风险过程成为齐次强马尔可夫过程，然后利用pdmp中的鞅方法(用广义生成算子得出鞅)推导了鞅的形式，作为该风险模型索赔额分布为一般分布下的破产概率的一般表达式，其中用到了测度变换的思想。
• This paper consists of three chapters . the first one is the preparatory knowledge underlying this paper , including the basic concepts of the piece - wise deterministic markov processes ( pdmp ) , the renewal equation , the key renewal theorem and some results about the classical risk model , which come from [ 2 ] , [ 8 ] and [ 9 ] . the second one introduces the results about the general ruin probability in a kind of continuous - time risk model with the deficit - time geometric distribution of inter - occurrence times , in which claim sizes are discretly distributed . these come from [ 6 ] . the main body of this paper is the third one where we derive lundberg bounds , cramer - lundberg approximations to the ruin probability and finite - horizon lundberg inequalities
  本文共三章，第一章是奠定本论文基础的相关知识，包括逐段决定马尔可夫过程的一些基本概念、更新方程与关键更新定理的内容以及经典风险模型的介绍，主要取自[ 2 ] 、 [ 8 ]和[ 9 ] 。第二章介绍了该风险模型在索赔额分布为一般分布下的破产概率的一般表达式及相关定理，内容来自[ 6 ] 。第三章是本文的主体，求得了该模型的破产概率的lundberg界， cram r - lundberg逼近以及有限时间破产概率的lundberg不等式。
• By analyzed the wheat dry - hot wind observation data in 1982 to 2002 of tianjin , it determined the dry - hot wind meteorological index in different wheat periods in this article , in addition , it summarized the dry - hot wind occurrence time , type , days and characteristic of occurrence trends in 10 years
  摘要通过对天津市1982 - 2002年干热风观测资料的分析，确定了小麦不同生育时期的干热风气象指标，总结出天津麦季干热风的发生时间、类型、发生日数规律以及近10年麦季干热风的发展趋势等。