time variation

The process of microbial fermentation is of high nonlinear and time variation, whose rules are very complex.

微生物发酵过程具有高度的非线性和时变性，其内在机理非常复杂。

For these studies, the activity time variation is not considered.

但是，这些研究是没有考虑活动时间波动的。

Time Variation of Carbon Emission from Forest Fires in Jilin Province

吉林省森林火灾释放碳量的时间变化规律

Dependent Policy Solutions for Order Quantity Problems with Time Variation Demand

时变需求订货批量问题的相关策略

The thruster motor system of underwater robot is time variation system that is multivariable and close coupling and nonlinear.

水下自治机器人推进电机系统是一个多变量，强耦合，非线性的时变系统，在一定的参数和工作条件下，系统产生混沌运动。

Cosmic Ray Time Variation and Earth's Climate

宇宙线时间变化与地球气候参量

A generalized projection of strongly sub-feasible direction method with strong convergence for nonlinear constrained optimization time variation of cosmic ray intensity

非线性约束优化一个强收敛的广义投影强次可行方向法

Time variation of onset of stroke

脑卒中发病的时间规律

Speed variation is influenced by the initial status of vibrancy during switch time of drive frequency.

同时在驱动频率切换期间,振动的初始状态对转速变化过程也会产生影响.

The Analysis of the Spatial and Time Variation of Guangxi Inbound Tourism Market Competitiveness on the Basis of the IPA Method

基于IPA分析的广西入境旅游客源市场竞争力时空变化研究

The time variation and direction variation of atmospheric loss are evaluated initially.

初步评估了大气损耗的时空差异；

In terms of time variation and space distribution, the fog season is delayed from south to north.

从时空变化上来看，从南至北雾区有逐渐延迟的特点。

regional/seasonal variation (= depending on the region or time of year)

地区性 / 季节性变化

The criterion and solution of stability of a ship with linear time variation system was discussed.

对线性周期时变系统，文中对于两种稳定性判别法及其近似解法作了讨论和比较，两种判别法分别为李雅鲁诺大直接法及特征根判别法。

Some features of strong earthquake activity in space and time variation and recent seismically active trend in North China

华北强震时-空变化某些特点与近期强震活动趋势

The variation law of annual maximum peak discharge time series at Cuntan station of the upper reaches of Yangtze River has been probed, including trends and periods analysis.

从趋势分析和周期分析两方面分析长江上游寸滩站年最大洪峰流量演变规律。

Study of the time variation of geoid

大地水准面时间变化的初步研究

In this paper, The stability of a ship with linear time variation and non-time variation motion system was discussed.

本文讨论了船舶线性非时变系统及线性时变系统运动的稳定。

A fault detection and diagnosis method based on the rule and time variation was presented based on the normal diagnostic expert system.

根据航天器推进系统的时变性特点，在规则的专家系统方法基础上，提出了推进系统面向时态的故障检测和诊断方法。

Studies on the Stability and Time Variation of Industrial Betas in Shenzhen Stock Market

深市行业贝塔系数的稳定性与时变性研究

Study of fuzzy control and robustness about a class of time variation and delay system

一类时变时滞系统的模糊控制及鲁棒性研究

The dynamic weights are set according to the time variation.

提出了时变系统动态综合权值的设置办法。

The experimental study on the effect of time variation of atmosphere on the precision of radiowave refractive correction

大气时变特性对电波折射修正精度影响的实验研究

We consider that the variation of the oscillation frequency and anharmonic oscillation in the process of time evolution originate from the stochastic coherence property of atom oscillators in the system.

认为时间演化过程中振荡频率的改变和振荡的非谐性来源于系统中原子振子的随机相干性。

The time variation associated with fluorescence light transmission in large area scintillators

闪烁体中荧光传输造成的时间离散

Immediate foreshocks: time variation of the b-value

临震前震：b值的时间变化

The change of soil physicochemical properties was obvious with the time variation of weathered coal applying.

3风化煤施用对土壤理化性质的影响随风化煤施用时间的变化而显著变化。

Therefore, it is necessary to consider the activity time variation in scheduling the cluster tools.

因此考虑活动时间波动时非常必要的。

The space time variation of soil water content has been predicted based on BP neural network.

根据一维水平入渗实验5个时刻的土壤含水量剖面，运用BP网络，对土壤含水量的时空变化进行了预测；

The time variation characteristics of solar microwave impulsive event

太阳微波脉冲事件的时变特性