查询词典 forecast

Application of neural network technology in worsted weaving and different forecast models are introduced in this paper with practical forecast models and experimental results put forward.

介绍了在毛精纺面料织造过程中应用的神经网络技术及不同的改进算法，给出了织造预报的实际模型和试验结论，并对织机效率预报模型进行实例训练，预报结果验证了几种典型学习算法的性能。

In the load forecast method based on the ANN, all load data should be normalized firstly, and then accessional momentum method are compared with L-M Back Propagation algorithm in efficiency and precision, at last L-M Back Propagation algorithm is winner due to its better forecast effect.

在基于神经网络的负荷预测方法中，首先对数据进行归一化处理，然后分别采用附加动量法和L-M 规则修正的误差反向传播算法，并对两种算法的计算速度和精度进行了比较，最终采用预测效果较好的L-M 规则修正的误差反向传播算法进行负荷预测。

In this paper, the modified artificial neural network method is used to establish forecast model of sun-spot, regarding the ring index of diameter at breast height of Cunninghamia lanceolata and auto-correlated factors of sun-spot as forecast factors.

以杉木胸径生长的年轮指数和太阳黑子自相关因子为输入变量，应用改进的人工神经网络方法建立了太阳黑子相对数年平均值的预测模型，模型的模拟回归优度为 93.3%，预测精度达到 95 。74%。

The results show that the model has higher forecast accuracy, realize a continuous dynamic trend forecast of working face coal and gas outburst fatalness.

结果表明：电磁辐射异常判识模型具有较高的预测精度，其实现了工作面煤与瓦斯突出危险性的连续动态趋势预测。

In this dissertation, as for some problems in flood forecast andreservoir regulation, the research had been done based on the special research topic dynamiccontrol on limit water level in flood season using theories of fuzzy optimizing theory,maximum entropy theory, entropy-weighted multi-objective decision making method, geneticalgorithm etc. And the research focused on evaporation calculation, fuzzy description ofcatchraent impoundage, fuzzy similarity calibration method, nolinear watershed concentrationmodel and error distribution maximum entropy model and risk computation of dynamiccontrol reservoir water level in flood season when the flood forecast and precipitation forecastare taken into consideration.

本文从洪水预报和汛限水位动态控制两个研究方向着手，以汛限水位动态控制研究专题的试点水库为工程背景，运用模糊优选理论、极大熵理论、熵权多目标决策法、遗传算法等理论，研究了蒸散发计算和流域蓄水容量的模糊描述、洪水预报模型参数的模糊相似校正方法、流域非线性汇流模型、误差分布的极大熵模型以及考虑洪水预报和降雨预报动态控制水库汛限水位的风险计算方法。

we carry on logistics demand forecast by taking time-series model and explain its application to logistics demand forecast by justment of data stationary, stead, standardization, modeling, discernment, making steps, parameter estimate and examination to predict, error and calculation of confidential interval.

本文采用时间序列模型进行物流需求预测，用实例从数据平稳性的判断，平稳化，标准化，建模，经模型的识别、定阶、参数估计和检验，到预测及误差和置信区间的计算，详细地说明了时间序列模型在物流需求预测中是如何应用的。

Considered the different losses from the fail report and misdecaration, the method of debris flow forecast under different losses is set up. This method makes the general average loss of the losses for fail report and misdeclaration to be minimum, and make up for the lower degree of accuracy of debris flow forecast in a certain extent.

本文考虑了泥石流漏报和误报两种错报情况下的不同损失，重点研究不同损失条件下的泥石流预报方法，建立了不同损失条件下的泥石流预报模型，使泥石流预报中错报造成的总平均损失达到最小，在一定程度上弥补了目前泥石流预报准确度较低的不足。

The development of the forecast models shows that the foreign forecast models evolved from monocyclic ones to multi-cyclic ones emphasized the models'vertical development,whereas Chinese models such as the Weng's model and many others emphasized their horizontal development.

摘要追溯了石油峰值理论的起源，对国内外一系列关于石油峰值理论模型的定量研究表明，石油峰值理论模型大体有3种类型：①基于生命有限体系的生命模型；②基于概率论和统计学理论的随机模型；③基于生产实践和理论推理的广义数学模型。

The state entitles the meteorological department to issue the meteorological forecast monopolistically so as to maintain the accuracy and security of the meteorological forecast .

为了保证气象预报的准确和安全，国家赋予了气象部门垄断发布气象预报的权利，但是没赋予其垄断传播气象预报的权利。

Forecast, monitor the actual performance against budget/reforecast, improve forecast accuracy, develop in-depth understanding of business profit/Cost drivers

根据财务预算，合理控制实际经济活动，提高预算准确性，从更深层次上理解营业利润和成本动因

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。