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By use of the SCSMEX situ observational precipitation and NCEP/NCAR reanalysis data sets, this study discussed the low frequency (LF) variational characteristics of the East Asian summer monsoon circulation (EASMC) with EOF and MSSA analysis methods. 利用1998年SCSMEX试验期降水观测资料和NCEP/NCAR再分析资料, 将物理量场在降水EOF分析得到的时间系数上展开,分析东亚夏季风环流低频变化特征。
And then, underground coal porositycalculation method and variational characteristic of coal effective pore volume compressibility are discussed. 进而探讨了煤岩地下孔隙度的计算方法和煤岩有效孔隙体积压缩系数的变化特征。
According to the variational characteristics of physical variates in discrete for-mation model,we achieve physical variate description using Walsh function. 文中给出了两个定义和四个定理，研究了一维、二维和三维离散地层模型的沃尔什函数描述法，并给出了一维模型的描述实例。
In this paper, the variational characteristic of transient kinetic energy and transient potential energy under two diferental genterator's unstable trajectory is analysed firstly. 本文首先分析了电力系统在遭受大扰动后，两种不同失稳轨迹下发电机暂态动能和暂态势能的变化特点。
Variation characteristics of village and its relation with farmland productivity in south-center of Hebei Province. 河北省中南部村落及农田生产力的变化特征。
The variation characteristics of shallow confined groundwater are similar with phreatic water. 浅层承压水含水组的地下水质变化特征和潜水基本一致。
Regulation Study of the Variation Characteristics of Gutta-percha in the Bark of Different Variance-typed Eucommia ulmoides Oliv. 不同变异类型杜仲皮含胶性状的变异规律。
A preliminary analysis of causes for the spatial and temporal variation characteristics of SSC in the sea area is also made. 对长江口外及邻近海域含沙量时空变化特征的原因进行了初步分析。
Title： Regulation Study of the Variation Characteristics of Gutta-percha in the Bark of Different Variance-typed Eucommia ulmoides Oliv. 关键词：经济林;杜仲皮;变异类型;含胶率;变异规律
Seasonal design flood should not only satisfy the flood prevention standard but also reflect seasonal variation characteristics. 分期设计洪水既要满足防洪标准,又能反映洪水的季节性变化特征。
Abstract: This article gives some analysis and discussion about the variation characteristics of TSP in Emeishan urban area from 1991-1997,and putsforward some control measures. 文摘:本文以峨眉山市城区1991年?1997年所测颗粒物的浓度为依据，研究了城区颗粒物七年来的年度、季度、月变化及空间变化规律，并对防治对策进行了探讨。
The variation characteristics of mineral components, mineralogical features and surface of activated palygorstite clay as well as the related factors are summed up in this paper. 坡缕石粘土酸化机理及影响因素研究对其高效利用具有重要理论意义和实践价值。
The diurnal variation characteristics of net photosynthesis rate and transpiration rate of Eremochloa ophiuroides, Zoysia tenuifolia and Axonopus compressus in the sunny day were studied. 研究了在晴天的条件下,假俭草、细叶结缕草和地毯草净光合速率和蒸腾速率的日变化特点。
She has Asiatic characteristics. 她具有亚洲人的特点。
The genesis and variation characteristics are suggested on the basis of the analysis of typical groundwater hydro-chemical section monitoring, geographical prospection data and hydro-chemical analysis from more than 100 geological cores. 通过对潍河下游地区100余个地质钻孔水化学连续监测资料分析，阐明了咸水入侵的特征，有针对性地提出了咸水入侵的防治措施。
Abstract： The diurnal variation characteristics of net photosynthesis rate and transpiration rate of Eremochloa ophiuroides, Zoysia tenuifolia and Axonopus compressus in the sunny day were studied. 摘要：研究了在晴天的条件下,假俭草、细叶结缕草和地毯草净光合速率和蒸腾速率的日变化特点。
Based on the variation characteristics lying in the RCS sequence, a method of extracting the precession period was proposed.Simulation results demonstrated the efficiency of the method. 仿真实验结果表明，文中提出的方法能够有效估计目标的进动周期。
As far as the main features are concerned, the nocturnal variation and seasonal variation characteristics of atomic oxygen peak density are consistent with those of OI5577 airglow intensity. 就主要特征而言，反演出的原子氧浓度峰值的夜间变化特征和季节变化特征分别与OI5577气辉强度的一致。
Paradox and irony are characteristics of her style. 她善於运用似非而是的隽语和反语。
Having no particular directional characteristics. 无定向的具有无特定方向的特征

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