The theory of binaries, in terms of differential equations, is treated for the first time in this book.
二进制的理论，就微分方程而言，第一次在这本书里被对待。
Due to the differential neo-tectonic lift and fall at Late Pleistocene Epoch, Xijiang River changed its course for the first time in the Dry Gorge.
更新世晚期。由于新构造的差异升降，旱峡成为西江在这一带第一次改道的中期古河道。
In this paper, a set of differential equations of an undersaturated oil reservoir in a finite aquifer system is established for the first time based on the material balance principle.
本文首次建立了有限含水层未饱和油藏物质平衡微分方程组。
First, the partial differential equations are transformed into discrete space, discrete time nonlinear difference equations through characteristic method and finite difference approach.
首先，通过特征线法和有限差分法得到了时间离散和空间离散的非线性状态方程。
It is the first time in China that a dual flange differential pressure intelligent meter of us Honeywell Co. make has been used for the measurement of oil water interface.
在国内首次选用美国霍尼韦尔双法兰差压变送器智能表测量油水界面，用计算机实现闭环控制，取得满意效果。
The motion of plunger of oleo damper excited by colored Gaussian noise with exponential correlation time is governed by first order nonlinear differential equation.
油液阻尼器受指数型高斯色噪声外激励时，活塞在油腔内的运动可用一阶非线性动力学方程描述。
With the aid of the projective operator technique, an integro-differential equation for the porbability density and an approximate equation for the mean first-passage time (MFPT) have been derived.
推导了平均第一通过时间（MFPT）方程，并在弱噪声和短相关近似下，得出方程的解； 通过数值分析阐明了平均第一通过时间和噪声关联时间之间的联系。
The differential equation of motion of the system is first transformed to a state-space model with time delay control input.
首先将系统的运动微分方程改写成状态空间模型，其控制输入中存在时滞。
In the time domain analysis of dynamic circuit, the initial state must be first known when the differential equation or state equation will be solved.
在动态电路的时域分析中，若要解出描述电路的微分方程或状态方程，首先必须知道电路的初始状态。
First, a differential geometrical description equation is obtained based on differential geometry theory without the need to estimate the parameter of available time-to-go.
首先，基于微分几何理论，得到了导弹运动的微分几何描述方程，无需估计剩余飞行时间。
This paper advances the concepts of induced polarization differential effect and IP difference and gives them definitions. It is for the first time that the term differential IP method is used.
本文提出激发极化差异效应和激电差的概念并给出定义，首次使用“差异激电法”这一述语。
This paper advances the concepts of induced polarization differential effect and IP difference and gives them definitions. It is for the first time that the term differential IP method is used.
本文提出激发极化差异效应和激电差的概念并给出定义，首次使用“差异激电法”这一述语。
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