查询词典 derive

We derive the addition formulas for sine and co sine from the arithmetic of complex numbers.

用复数算术推导了正弦，余弦的加法公式。

To derive a linear address, a segment register's segment base is added to the segment offset.

为了获得线性地址，要将段寄存器的段基加上段偏移量。

Spectral methods and the classical Crank-Nicolson scheme are applied to deduce the full discrete system for the continuous model, then the variational adjoint assimilation approach is used to derive the gradient and the corresponding adjoint system.

从这个全离散问题出发，结合全局或局部已知的观测数据，分别构造梯度下降算法求解相应的最优化问题。我们分析了采用不同方法计算梯度所需的代价，另外，还给出一种选择最优迭代步长的算法。

Then the relationship between the wavelet shrinkage and diffusion equation is studied. A t last stationary wavelet transform has been used to derive an affine invariant function.

同时从小波阈值函数与散度函数的关系入手进行研究，说明了小波分析与偏微分方程之间的联系。

Since the method does not need to derive the concrete form of the transformation matrix, making it simple and easy to calculate the results to the eigenvalue problems of the Hamilton with symmetrical form. This algebraic methods is more universal and more effective.

由于该方法不需要求出变换矩阵的具体形式，使得运用此方法求解具有对称形式的Hamilton量的本征值问题变得简单、易计算出结果，该方法更具有普遍性，是一种十分有效的代数方法。

The second is derive alimentation from the contemporary singing and dancing show in the background of Chu culture and civilian singing and dancing in the Chu area popular up to the present, andcombine the ancient and now, tradition and modern.

二是从楚文化背景下当代歌舞表演和荆楚地区至今流行的民间歌舞中汲取营养，从而做到古与今、传统与现代的结合。

It also shows the method and feasibility to derive forest parameters, such as tree height, and the crown length of individual trees from airborne laser scanning altimetry data in this dissertation.

本文详细研究了距离图像的处理方法，讨论了各种边缘提取算子在处理距离图像中的应用，并对距离图像进行中值滤波和增强处理，取得了较为满意的效果。

I started to derive the formula for flux with Ampere's Law...

于是就用安培定律来推导磁通量的公式。。。

The mystical teachings of the Kabbala drew heavily on anagrams— rearranging the letters of Hebrew words to derive new meanings.

犹太神秘学的神秘楔石中有许多关于字谜的内容——将希伯来词语中的字母重新排序，从而得出新的意义。

In this paper we have point out the error of principle formula quoted by all literatures at home and abroad to measure the refractive angle and the method of V-prism, derive from beginning the right formula of measuring refractive index by the method of minimum deviation angle and the method of V-prism.

本文指出了测量光学材料折射率的最小偏向角法和V棱镜法国内外所有文献的原理公式误差，重新推导了最小偏向角法和V棱镜法测量折射率的正确公式。基于最小偏向角法用精密测角仅可以获得±3×10-6的折射率的测量精度，然而，这些文献沿用经典的测量原理公式却具有-4×10－4数量级的原理公式误差，因此导致错误的测量结果。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。