查询词典 time lag

Not until the time lag is well over a year can we expect to see any influence.

在一年多的滞后期没有过去之前，我们看不到任何影响。

For more general application the double time lag model should be used.

对于更一般的应用，应当采用双肘滞模型。

Innovation is an unabated impetus to depress time lag of Chinese course.

创新是降低语文课程时滞的不竭动力。

based on the conditions of middle route of south-north water diversion project,this paper discusses using optimal control theory to solve the problem of time lag and coupling.

针对南水北调工程的实际情况，提出采用最优控制理论解决调水工程中存在的滞后与耦合问题。

The drum water level is an important variable to be controlled, it is hard to get the mathematic model of the water level with adjustive process, it is characteristic of nonlinearity, instability and time lag.

而模糊控制不要求知道被控对象的精确数学模型，只需要操作人员的经验知识及操作数据，鲁棒性强，非常适合用于非线性、滞后系统的控制。

In this paper, taking one 1900t/h supercritical pressure once—through boiler installed in East boiler company as subject investigated, analyzing the structure and characteristic of unit, from the mechanism of units, based on the law of quality conservation, energy conservation and momentum conservation, having Lagrange fluid particle tracing idea in hydrodynamics field application in analyzing of unit operational characteristic, author build up the nonlinear distributed parameter general dynamic mathematical model of single-phase heating surface or diphase heating surface in the steam-water system for supercritical pressure once—through boiler, which is suitable numerical calculation and simulation for large scale disturbance and full working conditions change, and enough materializing distributed characteristic of thermodynamic parameter in process and time lag characteristic of energy transportation in tache. The transient responses curve of the system main variables under several disturbance are computed by Computer Simulation for the model, and theoretical analysis shows that the simulation results are reasonable.

本文以东方锅炉集团公司的一台1900 t /h超临界压力直流锅炉为研究对象，在分析机组结构和特性的基础上，从机组的工作机理出发，以质量、能量、动量守恒定律为依据，将流体力学领域中的Lagrange流体质点追踪思想用于机组运行特性的分析上，建立了适用于超临界压力直流锅炉汽水系统单相、双相受热面的非线性分布参数通用动态数学模型，该模型适合于大扰动全工况变化的数值仿真计算，充分体现了过程热力参数的分布特性和环节中能量输送过程的时滞特性，并对模型通过计算机仿真得出各种扰动下系统主要变量的响应曲线，从理论上分析了仿真结果的合理性。

The pooled regression analysisshows that there is a long-term prominent positive effect with time lag from China'sinward FDI to China's commodity imports and exports.

混合回归结果表明，外商对华直接投资对中国商品进出口、出口、进口的增长均存在长期且显著的促进作用，而且这种促进作用存在时滞。

Its main technical measures are: a an appropriate reduction business card printing and membership card production speed and reduce the time lag for the imprint and avulsing viscoplastic

其主要工艺措施有：一是适当降低制卡和会员卡制作速度，减少压印时的粘拉力和剥离力

Using the low-thrust propulsion system for the Russian space interceptor as a research object, the mathematical model of the components of the system is employed to analyze the influence of the combustion time lag on the response characteristics of the propulsion system with high-pressure chamber, and to analyze comparatively the computation results of the start and shutdown transients of the lowthrust propulsion system with high and low chamber pressures.

以俄罗斯空间拦截器用的小推力推进系统为研究对象，利用系统各部件的数学模型，分析了燃烧时滞对高压燃烧室推进系统响应特性的影响，对比了小推力高、低室压推进系统起动、关机过程的计算结果。

Many advocates and development officials also are skeptical of the virtues of building extra bureaucracies or fear a long time lag for fund disbursals.

许多倡导者和发展官员也对建立额外官僚机构的效力产生怀疑，或者担心资金支付长期滞后的问题。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。