By introducing time variable into the equilibrium price model,it studies the evolution law of innovated product price from the time order.
通过分析技术进步引起的创新产品需求变化,以及技术扩散中大小企业创新产品的市场供给特点,把时间变量引入均衡价格模型,可从时序上考察创新产品价格的演变规律,并据此可对创新产品的产品生命周期等问题加以探讨。
The Effects of Time Variables on College Freshman Personality;
时间变量对大学新生人格特质的影响
The Time Discontinuous Galerkin Finite Element Methods for the Sobolev Equations
Sobolev方程的间断时间变量的Galerkin有限元方法
A Research on Evolving Model of Innovated Product Prices with Introduction of Time Variable
引入时间变量的创新产品价格演变模型研究
How long does the variable last?
变量应持续多长的时间？
production-rate history
产量随时间变化情况
Wet Gas Flow Measurement Based on Time-varying Series Analysis
基于时变时间序列分析的凝析天然气流量计量
When the quantity plotted horizontally is time, rate has its common meaning-rate of change with respect to time.
当水平标绘的量是时间时，变化率有普遍意义——对时间的变化率。
Invariance under translation in time leads to conservation of energy.
在时间平移下的不变性导致能量守恒。
Each of the individual momenta may change in time.
每个单独的动量可能随时间而变化。
A Study on Preprocessing and Clustering of Multivariate Time Series
多变量时间序列的预处理和聚类研究
The parameterized eddy fluxes simulatedthe seasonal and latitudinal variations reasonably well.
模拟出涡动通量的空间分布和时间变化。
Generic Phase Space Reconstruction Method of Multivariate Time Series
多变量时间序列的广义相空间重构方法
Model of Consumption & Production with Variable of Time & Qulity;
引入时间和质量变量的消费和生产模型研究
Volterra adaptive real-time prediction of multivariate chaotic time series
多变量混沌时间序列Volterra自适应实时预测
Effect of Deformation and Holding Time after Deformation on Inverse Transformation of Deformation Induced Ferrite in Q235 Steel
变形量和变形后保温时间对Q235钢形变诱导铁素体逆相变的影响
A functional unit whose output analog variable is the integral of an input analog variable with respect to time.
一种功能部件，其输出模拟变量是输入模拟变量相对于时间的积分。
A time series data set is a sequence of random variables indexed by time.
时间序列数据是以时间为指标的一个随机变量序列。
Strain gauge: Device for measuring the changes in distances Between points in solid Bodies that occur when the Body is deformed.
应变规: 物体发生形变时,测量固体内不同点之间距离变化的装置。