积分

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

无穷限积是微积学中广义积的一种类型,是积知识的一个难点。

I’m specializing in differential and integral calculus.

正专攻微学和积学。

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

学了微积之后,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式光能布系数矩阵校正。

The indefinite integral is an antiderivative.

不定积是反导数。

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

在其输入级的反馈回路中使用了一个积电器。

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

证明了变量替换映射是一个具广义亚椭园性的适的富里叶积算子。

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

无极性电C1和线性锥形电位器R2决 定积器IC1B的时间常数。

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，给出了一个积微系统概周期解存在的一般性定理。

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

叙述了次条纹积干涉计量的原理，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的类似计算机的装是电子数字积计算机，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的释放,通过重用、复制相关迹线来减少迹线的积计算,达到减少生成每帧图像所需的时间的效果。

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法研究方向早就被注意的问题。

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

运用积变换与矩阵理论，刻划它们的性质，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.

方法能有效地克服积区间（或求和区间）的重复和遗漏问题，特别是在多段有值函数卷积的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的释放，通过重用已保存的相关迹线来减少迹线的积计算，达到减少生成每帧图象所需的时间的效果。

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.

周期时变线性系统系数矩阵的时变性与不可交换性是其精细积算法设计中的瓶颈。

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,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的公式。

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、离子流强度积的方式,用多接收器热表面电离质谱计测量铀同位素丰度。

Probability integration method of stochastic media expectation theory, which bases on the foundation of flaccid up-cover terrane and bestraddle of top board, is discontinuous media theory.

随机介质预计理论概率积法是建立在上履岩层软弱、顶板跨落基础上的非连续介质理论。