查询词典 characteristic index

In line with port logistic characteristic of port logistic, the article puts forward throughput capacity combination forecast method, and makes contrast analysis between this method and expectation value, lineal regress and index smoothness.

针对港口物流发展规律及不同预测方法的不同特点，本文提出了基于最优组合预测权重向量的组合预测方法和基于定性、定量预测不同时间效应的时变权重综合预测模型，使最后的预测结果更具有科学性、合理性和可达性。

ABSTRACT: In order to analyze effect of summer weather factor on the peak load, adopting comfort index to analyze peak load is brought forward based on summarizing limitation of normal load characteristic analysis.

为更好地分析夏季气象因素对日峰荷的影响，在总结常规负荷特性分析缺陷的基础上，提出用人体舒适度作为综合气象指标来反映其对日峰荷的影响。

With consider of characteristic of indoor Pollution and influence of the health of human body by excessive pollutive factor value.under the foundation of environmental quality evaluation technique, apply the concept of the indoor air evalation of quality to pollute the comprehensive evaluation index of factor, reflect the influence of indoor air contaminant for the health of human body.

考虑到室内环境空气污染的特点和超标的污染因子值对人体健康的影响作用，在环境质量评价方法的基础上，应用室内空气综合质量评价的概念，以污染因子的综合评价指数反映室内空气污染物对人体健康的影响程度。

The reason difficult to raise machining index of high speed wire-cut electrical discharge machining is analyzed from the basic discharge characteristic theory.

从极间放电特性的角度，分析了目前阻碍高速走丝电火花线切割工艺指标提高的原因。

Using this method, the effect of the PM-PCF structure on the optical characteristic parameters, including modal field diameters,effective refractive index of space-filling mode, normalized frequency, mode field and single-polarization single-mode region etc., are studied systemly.

在第三章，通过全矢量有限元分析方法详细地分析了保偏光子晶体光纤结构参数对光子晶体光纤的光学特性影响，包括对单偏振单模光子晶体光纤的模场直径、基空间填充模的有效折射率、归一化频率、模场分布、单偏振单模区域等一系列光学特性参数进行了分析。

Based on the characteristic of the vegetation scatter plots in the redband and near infrared band, this paper mainly aims to probe a new method ofextracting vegetation changes by building the coordinate plane of brightindex-perpendicular vegetation index and then getting the variation vectors.

基于植被在红光波段与近红外波段坐标系中的散点图特征，本文着重探讨了一种通过建立多时相&亮度-垂直植被指数&坐标平面，利用变化向量提取矿区植被变化的方法。

This Al -free 980nm pump laser have many merits, such as improved catastrophic optical damage level; no degradation due to oxidation of aluminium during fabrication process and laser operation, which is desirable characteristic for multi-step growth; lower electrical and thermal resistance with GalnP cladding; better carrier confinement with GalnAsP confinement layers; Selective chemical etching between GaAs and GalnP maks precisely control for fabrication of stripe geometry lasers.· Calculated the physical parameters of ternary and quaternary III - V compoundsby interpolation formulas based on curve fits or on a linear regression, such aslattice parameter, band gap, and refractive index.· Using luttinger-kohn Hamiltonian-based propagation-matrix method presentedby S.L.

这种无Al980nm半导体激光器可以提高激光器出现腔面损伤所需的能量，消除在生长过程和应用过程中由于Al的氧化而使激光器的使用寿命缩短的问题，便于激光器的多次生长；以GaInP为盖层可以降低电阻和热阻；可以精确的控制GaAs和GaInP之间的化学刻蚀，便于激光器几何形状的控制。

Finally, based on the studies above, the characteristics of pantograph/catenary are analyzed and the active pantograph is modeled. By using the linear quadratic optimal control law, the design objective is to minimize the performance index, which is a function of the state variables representing the pantographs dynamic characteristic and the active control force. The control system is designed considering the complete state feedback.

最后，在此基础上，分析了受电弓／接触网系统的工作特点，建立了受电弓主动控制系统的数学模型，利用线性二次型最优控制策略，以给定性能指标为最小值为设计目标，性能指标为表征受电弓动力学特性的状态变量和主动控制力的函数，考虑了完全状态反馈的情况，进行了控制系统的设计。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。