查询词典 VAR

This paper introduces that A digital control system based on SIMATIC-TDC for Static Var Compensator is proposed .

摘 要：本文介绍了一种基于SIMATIC-TDC控制器的全数字静止无功补偿装置的控制系统。

This paper introduces the concept and characteristics of LabVIEW and application of LabVIEW on HV Static Var Compensator monitoring and control system.

本文介绍了LabVIEW的概念、特点及其在高压无功补偿监控系统中的应用情况。

First of all, a nonlinear model for a single-machine infinite-bus system with static VAR compensator is established.

首先，本文建立了装设有静止无功补偿器的单机无穷大系统的数学模型。

This paper uses mixture density networks to forecast the time-varying conditional density values of financial time series, and puts forth a new numerical algorithm to calculate Expected Shortfall. The application in Hong Kong Hangseng index approves that Value-at-Risk at high probability levels is accurate, and that it also has good forecasting ability in fluctuation. MDNs can effectively describe the empirical distribution of returns and the volatility mechanism, and is a new model for measuring financial market risk.

基于混合密度网络模型估计金融时间序列的时变条件密度，提出采用数值模拟方法计算Expected Shortfall的新途径，对香港恒生指数的实证研究表明，VaR的预测精度在高端分位点较好，模型评估指标反映出预测效果良好，混合密度网络可以有效地描述收益的经验分布统计特征和波动规律，是一种有效的金融市场风险测量模型。

Soil corer was used to investigate the distribution of fine root and a traditional method of nylon litter bag to measure the decomposition in pure Cunninghamia lanceolata and Michelia macclurei var Sublanea ,and the mixed plantations.

用土钻法研究了杉木、火力楠纯林和混交林的细根分布，用分解袋法研究了杉木和火力楠细根的分解，计算了3个林分中细根分解的N，P，K，Ca，Mg的归还量。

Uniflorella in having pubescent stipules, leaf rachis and sepals, leaves larger, glabrous or sparsely pubescent on both surfaces, corymb 1-3-flowered, petals broadly obovate. The new variety, Rubus sumatranus var.

腺瓣蔷薇与模式亚种单花合柱蔷薇区别在托叶、叶柄和萼片仅密被短柔毛而无腺毛，小叶片较大，两面近无毛或疏被短柔毛，伞房花序具1~3花，花瓣宽倒卵形。

But the seedling and cuttage of Sabina vulgaris Ant. Var. vulgaris are quitely hard to be reproduced.

但生产上由于天山圆柏种子和扦插繁殖都很困难，造成种苗稀缺和价格昂贵。

using technique of dag and var model,this paper study the effects of chinese monetary policy on stock market.

中国货币状况指数的构建及对货币政策。。。关于货币内生？外生问题的一般理论

Basal leaves decussate, middle stem leaves opposite, distal stem leaves alternate; inflorescence paniculiform with cymose branches

交互对生的基生叶，中间茎生叶对生，互生的上部茎生叶；花序圆锥花序状的具聚伞状的分枝 1b var。

The chemical constituents have been isolated from Delphinium tatsienense Franch Var Chinghaiense by column chromatography and preparative thin layer chromatography.

用柱层析、制备薄层层析等对青海翠雀的化学成份进行了分离，并用IR ，EA ，MS ，1HNMR ，13 CNMR及DEPT等光谱确定了化合物的结构，共分得 5种二萜生物碱，其中一种为新化合物，还分得一种非生物碱β谷甾醇

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。