difference n. 1.差异,差别。 2.不和,争论。 3.【数学】差,差额。 4.【逻辑学】特殊性。 There is no difference between them. 两者毫无差别。 the difference of jetsam from flotsam 弃货不同于浮货。 What difference can it make 不是一样吗? He is an artist with a difference. 他是别具风格的艺术家。 distinction without difference 无聊的区别。 make a difference 发生差别;使…有差别;(结果等)是重要的,有关系[影响] (One false step will make a great difference. 失之毫厘,谬以千里。 Don't let it make any difference. 没关系。 make a difference between A and B 使甲乙有别,对甲乙不一样)。 pay [meet] the difference 付差额金。 seek common ground while reserving differences 求同存异。 settle differences 调停。 split the difference 1. 折中,妥协。 2. 均分剩下的东西。 vt. 〔罕用语〕区别,使有差别。
partial adj. 1.一部分的,局部的,不完全的。 2.不公平的;偏袒的。 3.偏爱的,特别欢喜的 (to)。 4.【植物;植物学】后生的,再生的。 partial drought 小旱。 partial in one's judgement 判断不公平的。 be partial to 偏爱 (He is too partial to tobacco. 他太欢喜抽烟了)。 adv. -ly n. -ness =partiality.
Positive solution of neutral partial difference equations 中立型偏差分方程的正解
Oscillation criteria of partial difference equationswith continuous variables 具有连续变量的偏差分方程的振动准则
Differential method for linear partial difference equation with constant coefficients 常系数线性偏差分方程的微分解法
Oscillation of nonlinear partial difference equations with continuous variables 具有连续变量的非线性偏差分方程的振动性
Using our results , the boundedness of some partial differential equations and some partial difference equations are studied 利用所得结果研究了某些偏微分方程及偏差分方程解的有界性。
By means of the comparison theorem , and the oscillation of some non - linear partial difference equations is discussed and some concise conditions and authenticity are given 给出系统振动的比较定量,利用比较定理讨论了一类非线性偏差分方程的振动性,给出简单的判别条件及证明。
Some oscillation criteria for a class of nonlinear partial difference equations with variable coefficients are obtained . some linearized oscillation theorems for these equations are established 摘要获得了具有变系数的时滞偏差分方程的振动性准则,建立了几个线性化振动性定理。
In this paper , an asymptotic method have been studied to solve the nonlinear partial difference . the content of nonlinear theory has been enriched . some methods , which are used to solve strongly nonlinear equation , have been expanded 本文主要是对求非线性偏微分方程的渐近解进行研究,进一步丰富了非线性理论的内容,拓宽了求解强非线性问题的一些方法的应用范围。
Based on a duralumin flexible beam with piezoelectric films attached , distributed parameter modal described by partial difference equations is builded , and then turned into a set of two order systems with the method of modal analyse . state feedback control and independent modal control is investigated . and simulation of the closed - loop system with thest two methods is performed in matlab 并用模态分析的方法,将系统的偏微分方程模型转化成了模态模型;研究了状态反馈和独立模态方法;进一步完善了软件界面以及软件功能;在实际系统中,应用状态反馈算法,有效抑制了悬臂梁在受到外界瞬时脉冲扰动和激振引起的一阶、二阶模态振动。
Hence this method can improve accuracy and efficiency of the calculation . c . based on these work upwards , an adaptively wavelet precise time - invariant integration method was proposed in this paper . in this method , an adaptive multilevel interpolation wavelet collocation method for partial difference equations ( pdes ) was conducted , in which the time complexity is less than oleg v ' s method , and then the adaptive precise integration method was combined with , so that in this method the adaptively discretes both in time domain and physical domain were realized 该方法将外推法引入求解结构动力方程的精细时程积分法中,从而使该方法在求解非线性动力方程中可以自适应选取时间步长;需要指出的是,由于考虑了矩阵指数精细算法和外推法算法在时间离散方法上的一致性,在外推过程中,计算工作量基本没有增加;因此,两种方法的结合有效提高了算法的效率和精度。