Moreover, we have presented and proved a 4I framework used to describe temporal topological relationships completely and uniquely, listed a set of predicates describing temporal topological relationships, distinguished the intention and the predicate description form of temporal topological relationships and time direction relationships.

For two-dimensional Navier-Stokes equation, the second order implicit legendre approximation with high-accuracy was established. This approximation has two order accuracy in time direction, and spectral accuracy in space direction, and keeps the conservation of the dispersed energy.

针对二维Navier-Stokes方程建立了高精度的二阶隐的Legendre谱格式，该格式在时间方向具有二阶精度，在空间方向具有谱精度，且保持了离散能量的守恒性。

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This technique an well cope with vertical or lateral velocity variation in medium and reduce interlayer reverberation incurred from computation because it uses two-way nonreflecting wave equation to compute seismic wave field in reverse time direction.

该方法从双程无反射波动方程出发，沿反时方向进行波场计算，使混合法偏移能够适应纵横向速度变化，并能有效地减弱计算中产生的层间混响。

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Using Fourier pseudospectral method in space direction, and mid-point Euler method in time direction to discrete nonlinear "good" Boussinesq equation, a multi-symplectic Fourier pseudospectral scheme was constructed.

在空间方向用Fourier拟谱方法离散非线性goodBoussinesq方程，然后在时间方向用中点辛格式对半离散方程进行数值求解，得到了非线性goodBoussinesq方程的多辛Fourier拟谱格式。

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With the reheated temperature increased, the PTT curve of ( V, Ti) C precipitates in ferrite monotonically trends to the short time direction.

随着温度的升高，（V，Ti）C在铁素体区的沉淀析出PTT曲线单调地向短时间方向移动。

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Time Direction and Building Mechanism of "Qian"& "Hou"

前后的时间指向及其构成机制

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The results show that the dynamic spatial resolution in time direction has been improved by 15-20% when the aperture stop width is properly enlarged.

分析结果证明，在适当扩大孔径光栏宽度后，在时间方向上的动态空间分辨率可提高15～20%。

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Such high resolution can be seen in t_o time direction, particularly in stack velocity direction.

这种高分辨率下仅体现在l o时间方向上，而且在叠加速度方向上改善分辨率的效果更为显著。

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The influences of the other relative effects on time transfer, such as the gravitational frequency shift, time dilation, eccentricity effect, and so on, are also analyzed and summarized. 7.

总结了引力频移、时间膨胀、偏心率效应等其它几种相对论效应对时间传递的影响。7.分析比较了几种时间预报模型的钟差预报效果。

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If the absolute reference frame is admitted, in accordance with FitzGerald-Lorentz length contraction effect and Lodge-Lorentz time dilation effect, the slide down paradox can be eliminated.

如果承认存在绝对参考系，按斐兹杰惹-洛伦兹长度收缩效应和洛奇-洛伦兹时间延缓效应，就可以消除滑落悖论。

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Generally, the motion of compound pendulum as a whole moving along at any direction in an inertial frame has time dilation effect.

一般情况下，无论复摆钟朝什么方向运动，都将发生钟慢效应。

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In this paper the author analyzes that Time Dilation Effect and Length Contraction Effect in special relativity have no relations with acceleration but velocity.

分析了狭义相对论中的钟慢效应和尺缩效应只与速度有关而与加速度无关。

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Time dilation effect and the inherent of its mechanisms based on compound pendulum at relativistic motion are studied.

研究复摆钟在相对论运动下的钟慢效应和复摆钟发生钟慢效应的内在机制。

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By using Fourier's series, the sufficient and necessary condition is obtained for periodic solutions to neutral time delay differential equations with variable coefficients and, in the meantime, a formula of evaluation of period is given, also.

通过Fourier级数方法，得到时滞微分方程连续可微周期解存在的充要条件，同时为如何找周期提供了一个公式时间（英文）

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In light of introduction of the method to set up mathematical modeling, the article takes up analysis on circuit using time domain differential equation method and frequency domain Laplace transform method ( LTM).

通过介绍建立数学模型的方法，对利用时域中传统的微分方程法和频域中经典的拉普拉斯变换法对电路进行了分析。

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At the same time the differential competition strategies adopted by the state-owned commercial banks, small-and-medium sized shareholding commercial banks and foreign funded banks in Shenzhen are analyzed.

同时，分析了深圳银行业中国有商业银行、中小股份制商业银行和外资银行三大竞争群体所实施的差异化竞争策略；

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D-partion of stable range of three neutral time lag differential equation Has been studied and determines the three equation of uniformly asymptotically stable And unstable range in coefficient space.

主要讨论了3类中立型时滞微分方程之稳定区域的D划分法，确定了这3类方程在其系数空间中的一致渐近稳定区域及不稳定区域。

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PID parameter tuning refers to choose the right proportional index, integral time and differential time so that the servo system could work under optimal condition.

PID参数的整定是指选择合适的比例系数、积分时间和微分时间，使得伺服系统工作在最佳状态。

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Experimental Research On Measuring the Attitude of Ship in the Underwater Topographic Surveying by Means of Real Time Kinematic Differential GPS

水下地形测量中动态差分GPS测定船体姿态的实验研究

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D-Partion of Stable Range for Neutral Time Lag Differential Equation

中立型时滞微分方程稳定区域的D划分

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The controller of the investigated optimal control method is obtained from analyzing the time delay differential equation.

从时滞微分方程求解控制律，对时滞线性系统振动主动控制的最优化方法进行了研究，并给出了具体实现过程。

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