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

无穷限积分是微积分学中广义积分一种类型,是积分知识一个难点内容。

I’m specializing in differential and integral calculus.

我正专攻微分学和积分学。

The indefinite integral is an antiderivative.

不定积分是反导数。

After studying differential calculus you will be able to solve these mathematical problems.

学了微积分之后,你们就能够解这些数学题了。

The granulometer error can be corrected through calculating an integrated light energy distribution coefficient matrix.

系统误差可以通过计算积分式光能分布系数矩阵校正。

The coulombmeter function of the electrometer measures charge by integrating the input current.

在其输入级反馈回路中使用了一个积分电容。

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

了变量替换映射是一个具广义亚椭园性适富里积分算子。

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

无极性电容C1和线性锥形电位R2决 定积分IC1B常数。

The present paper using upper and lower solutions,proves an existence theorem of almostperiodic solutions for integrodifferential systems.

采用上下解方法，给出了一个积分微分系统概周期解存在一般性定理。

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

叙述了次条纹积分干涉计量原理，仅用一幅光载频干涉条纹图获取全部位相信息。

Perhaps the most influential of the early computerlike devices was the Electronic Numerical Integrator and Computer, or ENIAC.

也许早期最具影响力类似计算机装置应该是电子数字积分计算机，或简称ENIAC。

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、复制相关迹线来减少迹线积分计算,达到减少生成每帧图像所需效果。

The construction of boundary type cubature is a problem that has been noticed for a very long time in numerical integration.

边界型求积公式是数值积分法研究方向早就被注意问题。

Their properties were characterized by using integral transformation and matrix theory.Two biorthogonality formulae for the multiple vector-valued multivariate wavelet packets were obtained.

运用积分变换与矩阵理论，刻划它们性质，得到两个双正交公式。

This method can avoid the repetition and pretermission of integrating interval (or summarizing interval), especially in the convolution computation of multi-partition function.

该方法能有效地克服积分区（或求和区）重复和遗漏问题，特别是在多分段有值函数卷积计算中更显示出其优越性。

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线来减少迹线积分计算，达到减少生成每帧图象所需效果。

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.

周期变线性系统系数矩阵变性与不可交换性是其精细积分算法设计中瓶颈。

With convolution integral, a new formulation for describing the relation of soft X-ray reflectivity of multilayer with the different energy Monochromaticity of incident light is deduced.

利用数学卷积积分,理论上推导出一个在入射光不同单色性下精确计算多层膜反射率公式。

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、离子流强度积分方式,用多接收热表面电离质谱计测量铀同位素丰度。

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.

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