object focal point是什么意思

网络释义

用法例句

Application of the wide-angle parabolic equation under impedance boundary condition;

宽角抛物方程在阻抗边界条件下的应用

Blow-up of nonnegative radial solutions for a family of parabolic equations in bounded domain in RN;

R~N中有界域上的一类抛物方程非负径向解的爆破问题

Renormalized solutions of a class of strongly degenerate quasilinear parabolic equations;

一类强退化拟线性抛物方程的重整化解

Application and Development of Biological Method to Synthesize Nanomaterials;

生物方法控制合成纳米材料的应用研究与进展

Simulation about the field of view in multiple lenses system used in parallel electron energy loss spectroscopy;

并行电子能量损失谱仪中多重四极透镜系统物方视场的模拟

Constructive method for the Cauchy problem of parabolic equations and its mechanization;

抛物方程柯西问题的构造解法及机械化求解

An alternating group method for four order parabolic equations;

四阶抛物方程的一类交替分组方法

In this paper the oscillation property of a class of nonlinear parabolic equations with several delays is discussed.

研究了一类非线性时滞抛物方程在两类齐次边界条件下解的振动性质,获得了判别其所有解振动的充要条件,并通过实例对主要结果进行阐明。