梯形

In the construct process of trapezoid area formula, all six students used the same area formula and had the same perception ability.

三、在梯形面积公式的建构历程，六名学童所建构的面积公式相同，而且历程中学童的察觉能力相同。

This paper discusses the algorithm based on FFT digital analytical method, the use of trapezoid method to detect command current, and the affect to the performance of APF.

本文对基于FFT数字化分析法的指令电流检测技术控制算法进行了讨论，提出了运用"梯形法"如何实现指令电流的分离，分析了该算法对APF系统性能产生的影响，并通过计算机仿真实验验证了该算法的有效性。

In order to calculate the integral of the Planck's blackbody formula within a limited region, trapezoid method and Simpson's method two kinds of numerical integral methods were used, and the analysis and comparison were carried on.

对普朗克黑体公式有界域内的积分，利用梯形法和辛普森法两种数值积分方法进行了分析和比较。

Through the analysis, to make use of the trapezoid method and Simpson's method to obtain the radiant emittance value of blackbody within a limited region conveniently.

通过分析可知，利用梯形法和辛普森法能够方便地求出黑体在有界域内的辐射出射度值。

Currently used methods of transformation are: 1 integral average method, 2 average integral method, and 3 trapezoid method.

现有方法：①积分平均法，②平均积分法，③梯形法。

Then the model of implicit trapezoid time-dominate simulation method with UPFC is established, and also give two scheme of the UPFC controller, the two scheme is compared during the simulation calculation, and draw the conclusion that UPFC both has advantage and disadvantage in improving power system transient stability.

在潮流计算的基础上，进一步建立了计及UPFC暂态稳定分析的隐式梯形时域仿真法模型，并给出了UPFC控制器的两种方案，在仿真计算中对两种方案的控制器进行了比较，得出UPFC在改善系统暂态稳定性上是一把双刃剑。

The formulation of power system transient stability preventive control based on optimal power flow is presents in this thesis, in which multicontingency is considered. The infinite dimensions nonlinear optimization problem in which differential-algebraic equations are existed is changing into finite dimensions difference-algebraic equations by implicit trapezoid method.

建立了基于最优潮流的电力系统暂态稳定预防控制模型，通过隐式梯形法将含有发电机动态微分-代数方程和暂态稳定约束的无限维优化问题转换成有限维的常规静态最优潮流问题。

Now, when the trapezoid is filled with enough white pixels, there is probably a plate over there.

现在，当有足够的梯形是白色像素填充，有可能是在那边板。

Trapezoid wavelet transform and its application in power system frequency tracking .

梯形小波变换及其在电力系统频率跟踪中的应用。

In the perceptual organization stage, you see this trapezoid as a rectangle turned away from you in three-dimensional space.

在知觉组织阶段，你看见的梯形转换成为了一个在三维空间中的矩形。

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。