查询词典 forecast

In order to effectively forecast or forewarn squall lines and verify the effectiveness of the nowcasting system,a squall line occurring on 1 August 2006 in Beijing is analyzed by using conventional weather data,automatic weather station data,Doppler radar data,and the nowcasting system.

为了对飑线这类强天气作有效的预报、预警，同时对临近预报系统的预报效果作初步的检验，利用常规气象资料、自动站资料、多普勒雷达资料，结合临近预报系统分析了2006年8月1日北京地区飑线天气过程。

Linear forecast combination isconsidered in this paper. The main content of this paper include the discussion ofdiversification e?

本文对市场风险的风险值组合预测进行系统地研究，主要目的是建立风险值组合预测的理论基础，为风险值组合预测提供一个简单、科学的应用方法。

The exponential method, optimal model, two order linear difference equation model were utilized, and the appraisal and forecast to the water quality of Yangtze River were carried out.

江河之中的污染物在水环境中通过物理降解、化学降解、生物降解等方式可使自身浓度降低，这种能力称为自然净化lj，反映这种能力的指标

A linear equation to forecast the incidence of ADR was established according to the results.

同时得到了估算不良反应发生概率的线性方程。

After a short-term load forecasting method based analogous and linear extrapolation is proposed, the load forecast and the priority of equipment action are led into static reactive power optimization. The aim function is constructed for the practical situation of power system. On the basis of traditional genetic algorithm the fitness function and the holding of population diversity are improved. The adjacent search operator is applied to improve ability of local search.

在提出基于相似日和线性外推的短期负荷预测新方法的基础上，将负荷预测和设备动作优先级引入静态无功优化中，并结合电网实际情况，构造了实用的目标函数，对遗传算法的适应度函数和群体多样性的保持进行了改进，采用邻域搜索算子增加遗传算法的局部寻优能力。

We then follow the trend of farmland pattern evolution and take 2001 as the baseline year to forecast the farmland pattern in 2002 through 2010 using linear extrapolation. The result shows that the clustered rather than scattered farmhouse development type would create more integrated farmland pattern through patch integration and form more regular patch shapes that in turn have better effects on farmland utilization.

而在农地利用的变化趋势中，以民国九十年为基准年，采直线之比例关系，推估民国九十一年至民国九十九年建筑总面积，发现若将个别农舍开发改采集村农舍开发方式后，对於块区具有聚集与整合的效果，使农业用地完整性增加，形成较规则的块区形状，对於农业用地利用的确有较佳的影响。

These two kinds of methods are linear regression forecasts method and artificial nerve network to forecast a method respectively.

这两种方法分别是线性回归猜测方法和人工神经网络猜测方法。

And linear and non-linear system were simulated, the result shows that the algorithm has better effect of forecast control

并对线性系统和非线性系统进行仿真，其结果表明该算法具有较好的预测控制效果。

Power load has been forecasted in 24 hours on the base of local linear prediction in the end and this method is a new way to power load forecast.

此方法是一种新的电力系统负荷预测方法，为以后的研究人员提供了新的思路。

Reservoir productive capacity forecast is one of the important content of reservoir evaluation, horizontal well logging interpretation is mainly through the contrast corrected technique of horizontal well conventional log curve and pilot well conventional log curve, adding to the traversing relation between horizontal well track and formation.

储层产能预测是储层评价的重要指标之一。水平井测井解释主要通过常规测井曲线与导眼井常规测井曲线对比校正技术和水平井井眼轨迹与地层穿越关系进行的，尽管该方法能给开发工程师提供大量井眼轨迹与地层关系的信息，但却很难指出水平井钻遇储层的生产油气能力如何，这为油田开发工作带来了困难。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。