first-order是什么意思

网络释义

用法例句

In this paper,we use the coincidence degree theory to establish new results on the existence and uniqueness of T-periodic solutions for the first order neutral functional differential equation of the form(x(t)+Bx(t-δ))′=gl(t,x(t))+g2(t,x(t-τ(t)))+p(t).

利用重合度理论研究并获得了如下一类一阶中立型泛函微分方程T-周期解的存在与唯一性(x(t)+Bx(t-δ))′：g1(t,x(t))+g2(t,x(t-τ(t)))+p(t)。

The time-space bi-m degree discontinuous finite element to solve first order hyperbolic system with variable coefficients is discussed.

讨论变系数一阶双曲组的时空双m次间断有限元解。

This paper studies the oscillatory behaviour of a class of the first order linear functionaldifferential equations and obtains some sufficient conditions for the oscillation of all solutions ofthe equations.

在本文中，作者研究了一类一阶线性泛函微分方程的振动性质，获得了一些使方程的所有解振动的充分条件。

The Distribution of Zeros of Solutions of First-order Advanced Differential Equations;

一阶时超微分方程解的零点分布

A general form of impedance function of first-order one-port network is represented by two-port parameters.

用二端口网络参数推出了一阶一端口网络阻抗函数的一般形式,分析了各项物理意义,提出了通过计算或测量三个特定一端口电阻电路的等效电阻来求解阻抗函数及其等效电路的三电阻法,它为使用计算机或通过实验测量来确定一阶一端口网络阻抗函数及其等效电路提供了简便易行的方法。

An exact solution was obtained by solving the first-order shear deformation .

根据层合复合材料壳体的一阶剪切变形理论(FSDT),同时求得其精确解和声波方程。

Methods:First derivative spectrometry was established.

方法:采用一阶导数分光光度法,测定波长为275nm和317nm。

Oil-geological characteristics of the deep zone in the first step of Hu-qing oilfield in the Dongpu sag are thoroughly analyzed.

分析了东濮凹陷胡庆油田一台阶深层的石油地质特征,总结了一台阶深层烃源岩生烃潜力、储集层类型和盖层条件,讨论了深层油气成藏配套史。

Lithologic characteristics of the unsaturated zone and its impact on adsorption and degradation of pesticide in the first grade terrace of Songhua River;

松花江一级阶地包气带岩性特征及其对农药吸附与降解的影响

Determination of the content of allantoin in allantoin-vitamin E cream by zero-crossing first-derivative spectrophotometry;

零交一阶导数分光光度法测定尿囊素维E乳膏中尿囊素含量

Item 1. The first stage--assembling and regrouping.

第一项：第一阶段，为集中整理阶段。

The Extent of Comparison Theorems of Ordinary Differential Equations to the Higher Order;

一阶常微分方程比较定理的高阶推广

Positive Solutions of Second Boundary Value Problems with Dependence on the First Order Derivative

含有一阶导数的二阶边值问题的正解

Both the previous and present stages are stages of transition towards nation wide armed resistance to Japan.

前一阶段和这一阶段都是走上全国性对日武装抗战的过渡阶段。

first phase of PIP

第一阶段执行和平方案

linear ordinary differential equation of first order

一阶线性常微分方程

The next phase of e-commerce

下一阶段的电子商务，

stable primary cohomology operatio

稳定一阶上同调运算

move from one activity,stage,etc to another

从一活动、阶段等进入另一活动、阶段等

Each one merged into the next.

每一个阶段都和下一个阶段相衔接。

An Analysis on the Hypothesis of “ Two Classes and One Stratum”;

对社会主义社会阶级阶层结构是“两个阶级一个阶层”论的剖析

A stage or degree in a process.

阶段过程中的一个阶段或程度

a major depressive episode that occurs without the manic phase that occurs in the classic form of bipolar disorder.

没有狂躁阶段的一种主要的抑郁阶段。

He had lived all his life in the working class world.

他在工人阶级阶层生活了一辈子。

the syllable naming the first (tonic) note of any major scale in solmization.

阶名唱法中大音阶中的第一个音节。

A person belonging to the middle class.

中产阶级属于中产阶级的一员

Bourgeois:a person belonging to the middle class.

中产阶级:属于中产阶级的一员

Here it is at last: Stage 5.

现在我们到了最后一个阶段：第五阶段。