state variable是什么意思

用法例句

Study on dynamic changes of desertification of interlaced zone for agriculture and animalhusbandry in northern Shaanxi;

陕北农牧交错带土地荒漠化动态变化研究

Remote sensing monitory study on the dynamic change of ecological environment in Qinghai Lake area during 25 years;

青海湖地区生态环境动态变化遥感监测

Dynamic changes and clinical significance of serum total bile acid in infantile cytomegalovirus hepatitis;

血清总胆汁酸在婴幼儿巨细胞病毒肝炎中的动态变化及临床意义

Dynamic Changes of Blood Coagulation System on the Cerebral Cortex Microvascular Thrombosis Induced by Photochemical Method in Rats;

光化学法诱导大鼠脑皮质微血管梗塞凝血系统动态变化的研究

Dynamic Change of Soil Organic Matter Quality as Affected by Different Long-term Fertilization Treatments;

长期不同施肥制度下土壤有机质质量动态变化规律

Dynamics of Dehydrogenase Activity of Black Soil Treated by Long-term Fertilization;

长期培肥黑土脱氢酶活性动态变化及其影响因素

The state variables that can represent the production status of oil well are chosen by theory research on the failure characteristics of the screw pump well, taken as input vectors of the NN.

将神经网络原理应用于地面驱动螺杆泵采油系统的故障诊断,采用改进的BP神经网络,根据螺杆泵井的故障特点,通过理论研究,选取能够表征油井生产状态的状态变量作为神经网络的输入向量,归纳出常见的螺杆泵井故障形式作为目标输出。

In the practical power system operation,the powers of generators and loads are changing constantly,and the state variables(e.

实际电力系统运行中,发电机和负荷的功率随时都在变化,发电机中各状态变量(功角、转速等)和代数变量(交轴、直轴的电压和电流等)分布在一定范围内。

The state variables and the control variables for each branch room are given and the mathematical models for the branch rooms are also built.

文章以北京大兴县留民营村为例 ,建立了中型 (村庄级 )农业生态工程的数学模型 ,该模型为分室模型 ,由 8个分室组成 ,文中给出了各个分室的状态变量及控制变量 ,建立了各分室的数学模型 ,并应用该数学模型指导了留民营的实际生产建设 ,取得了良好结