积分的

The primary method in calculi can only solve a thimbleful type of evaluations of infinite integral.

无穷限分是微分学中广义分一种类型,是分知识一个难点内容。

Nonpolarized capacitor C1 and potentiometer R2, a linear taper, determine the time constant of integrator IC1B.

无极性电容C1和性锥形电位器R2决 定分器IC1B时间常数。

It is proved that the substitituon mapping is a proper Fourier integral operator with generalized hypoellipticity.

证明了变映射是一个具广义亚椭园性适富里叶分算子。

We describe a subfringe integration interferometry for which the phase information is evaluated only from one interferogram.

叙述了次条纹分干涉计原理，仅用一幅光频干涉条纹图获取全部位相信息。

The effect that reduced the time of advect frames was achieved by flexible algorithm and reuse and copy relative pathlines.

采用弹性算法来控制种子释放,通过重用、复制相关迹来减少迹分计算,达到减少生成每帧图像所需时间效果。

The effect that reduces the time of advect frames is achieved by control released seeds and reuse pathlines which have been saved.

采用种子控制算法来控制种子释放，通过重用已保存相关迹来减少迹分计算，达到减少生成每帧图象所需时间效果。

Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.

采用全蒸发技术、离子流强度分方式,用多接收器热表面电离质谱计测铀同位素丰度。

The time-varying and incommutable character of the coefficient matrix of periodically time-varying linear systems are the bottleneck of the design for high precision direct integration methods.

周期时变性系统系数矩阵时变性与不可交性是其精细分算法设计中瓶颈。

The large deflection problem of cantilever beams was studied by means of the biparametric perturbation method and the first order derivative substitution from pseudolinear analysis approach.

利用拟性分析方法中一阶导数代对基本方程进行了简化处理,将基本微分分方程转化为非性代数方程组,并结合双参数摄动研究了悬臂梁大挠度问题。