查询词典 derived

The Xiaoshan series for 1684–1802 is derived from the records of the Lai clan in the county; the Changshu series for 1836–1860 from casual notes of a local scholar; and the Shanghai series for 1862–1910 from the decennial reports of China's Maritime Customs.

正如图形1.1所示，这些较短时期的价格序列变化与年度序列相一致。

"Population figures are rounded to the nearest 100 while percentages are rounded to 1 decimal place and percentages are derived from the corresponding unrounded figures.

"1。"，人口数目均凑整至最接近的百位数，百分率是由未进位的相关数字衍生而经过四舍五入的凑整至一个小数位。

The decision model of optimal insurance risk control is derived in which the decision variable is insurance value.

对保险人的风险管理方案与决策的研究，已有文献论述[1]，对被保险人的投

They are derived from the corresponding components of struct Class by simply removing one indirection from the declarator.

Here is the application：前两个原型声明选择函数，它们从Class结构体中对应的元素中通过简单地从声明函数中去掉一次间接而派生出。以下是应用

The first two prototypes declare selectors. They are derived from the corresponding components of struct Class by simply removing one indirection from the declarator.

前两个原型声明选择函数，它们从Class结构体中对应的元素中通过简单地从声明函数中去掉一次间接而派生出。

In order to compute the voltages at the inaccessible nodes of decomposition, a formula that is suitable to linear networks is derived and the several kinds of method that are suitable to nonlinear networks are discussed.

本文讨论了不可及撕裂节点电压的计算，给出了适合线性子网络的计算公式；对含有非线性子网络的情况，提出了几种有效的计算不可及撕裂节点电压的方法。

From the point of algebra, ablock decomposition formula for coefficient matrix of discrete Hartley transform isgiven, from which a new fast DHT recursive algorithm is derived.

本文首先从代数角度出发，给出离散Hartley变换系数阵的一种块分解式，由此导出DHT的一种新的快速递归算法。

This paper overviews the various algorithms for least square collocation, discusses the matrix QR decomposition, derives the relationship between QR decomposition and generalized inverse matrix, and obtains least square inverse used for calculating matrix. In addition, the estimation formula for least square collocation by QR decomposition and its accuracy formula are derived. A case study is conducted using gravity anomaly test and calculation to demonstrate that the QR method is correct and valid in least-square collocation calculation.

分析了目前采用的最小二乘配置法解算方法，在讨论了矩阵的QR分解方法的基础上，推导得出了矩阵QR分解与广义逆矩阵的关系，得出了可以直接利用QR分解求解矩阵的最小二乘逆，并推导了应用QR分解求解最小二乘配置的估值计算公式和精度估算公式，最后通过重力异常实例进行了计算，得出矩阵的QR分解用于最小二乘配置解算的正确性和可行性。

In this paper, we demonstrate that, based upon boundary conditions and the uniqueness theorem of domain decomposition method for boundary problem of Helmholtz equation, Snell's law may also be derived without adopting phase-matching condition.

该文利用Helmholtz方程边界问题的边界条件和域分解理论，研究了静态面电荷对电磁波在介面传播的影响，理论上得到了一些有物理意义的结果，这对认识电磁波在介面的传播特性有一定参考价值。

A simultaneous decomposition theorem of a matrix triplet over an arbitrary division ring F and its practical algorithm are derived based on complicated techniques of matrices.

我们导出了任意除环上三矩阵的同时分解定理，给出了其具体的算法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。