查询词典 approximate differentiability

This integral equation is incorporated into a velocity-pressure variational formulation for the interior region, and a finite element method is used to approximate the resulting variational problem.

本文在绪论中简单介绍了边界元的发展历史及其发展现状，并把边界元和有限元做了简单的比较，介绍了它们各自的优缺点。

The method uses expansion in terms of scaling functions to approximate the axial field component and transforms the field equation into a matrix equation by applying a variational formulation.

在该方法中，用尺度函数把场分量近似为级数，通过变分公式把波导问题化为矩阵方程。

With three displacement sensors, an approximate algorithm derived from vector product was given to measure the pendulum angle of quasi-taper swinging movement.

借助3个位移传感器，利用矢量积推导出一种近似算法，实现了准圆锥摆运动中摆角的测量。

The safety path vector is an approximate measure of the number and distribution of the faults in the neighborhood and can be setup or updated through the n?1 rounds of information exchanges among neighboring nodes by consuming only n bits storage space.

其中SPVs的赋值可以通过n-1轮邻节点之间的信息交换来完成，且算法中各节点的存储开销仅为n bits，因此，SPVs是安全向量与扩展安全向量的一种扩展，具有比SVs和ESVs更好的记录最优通路的能力。

Meanwhile, the approximate direction and area of waterline is obtained in the Radon domain.

实验结果验证了该算法对海岸线检测的有效性和较强的鲁棒性。

Although the approximate wave function is qualitatively useful, it is gravely lack in g in quantitative accuracy

虽然近似的波函数是定性地有用，然而它严重的缺少定量的准确性。

The experment results show that the velocity of shock wave approximate equals tothe sound speed of water.

实验结果表明，冲击波的传播速度约等于水中声速。

It is different from the finite element method which uses the calculus of variation to construct the element-based approximate equilibrium equation. It does consider the equilibriums of forces on the inter-element boundary, which are neglected in the finite element method through the weak formulation.

这种方法跟有限元素法不同，因为有限元素法是采用变分法建立各个元素的近似平衡方程式，这种方法也考虑元素与元素相连接的边界上的力平衡条件，而在有限元素法的推导过程中我们忽略了这种条件。

The age of Christian antiquity extends from the beginning of the Christian era (dated from the approximate time of Jesus' birth) through the fall of the western half of the Roman Empire in the 5th century.

年龄基督教古物延伸，从一开始的基督教时代（日期从近似的时候，耶稣的诞生），到秋季西部的大半个罗马帝国在公元5世纪。

The approximate analysis solution shows that our theoretical results can explain better the statistic results obtained by Belcher and Davis 1971 and Whang 1973 who analysed observation data from Mariner 5 and Explorer 34 in the interplanetary space and the magnetosheath .

得到的近似解析解表明：由本模型所得到的结果能较好地解释人们对行星际，磁鞘层观测资料进行统计研究所得到的认识。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。