查询词典 trapezoidal

Increasing the roughness of fishway, using another lower opening in the spillway of the check dam to get more flow in fishway, using upside down trapezoidal cross section steel bar to substitute circular cross section can improve the functions of the fishway.

提出鱼道内增加粗糙度、利用防砂坝开口低槽增加鱼道内水量、建议改用倒梯形断面钢棒取代圆形断面，并配合结论说明鱼道设计上之缺失与建议修正方法。

On Image-Collecting, trapezoidal distortion is one of the most common distortion. We present a rectification method for it. In the case of knowing the focal distance and the size of CCD, the only parameter needed to know to restore the image is the angle of the camera axis with the ground.

摘要图像采集中的梯形失真是工程中最常见的失真之一，对此本文提出一种校正方法，在已知摄像机的镜头焦距和CCD大小的情况下，仅需要知道摄像机中轴线与地面的倾角一个参数，不需要控制点，就可以恢复原始图像。

Against the twilight rises the trapezoidal top of the stack, which has stood forlornly here through the washing and bleaching of the wintry weather.

麦垛孤零零地堆积在麦场上，它的梯形尖顶显露在朦胧中，已经经受了一个冬季的风吹雨打了。

Thorough analysis of the damage mechanism of frost heaving on the concrete lining of the channel with trapezoidal cross section, this article presents the following conclusions.

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The extended trapezoidal rule method is also applied for the differential equations of geodesic described by geodetic coordinates .

本研究也将广义梯形数值积分法运用在大地坐标系中，分别对变化大地线长度、起点位置及起始方位角来进行分析。

A modified backward Euler method is developed which enables to increase considerably the accuracy of jump voltage computation as a result of freeing its computing from the influence of the faint asymmetrical initial current in such an inductive circuit as converter and completely eliminate numerical oscillation in converter simulation as often seen in the case of implicit trapezoidal integration method.

本文提出一种变形的后退欧拉法，用该法对换流器这样的纯电感电路进行跃变电压计算，可完全避免初始电流中微弱的不平衡对跃变电压计算的影响，大大提高了跃变电压的计算精度，并彻底消除了隐式梯形积公法用于换流器仿真时所存在的非原型数值振荡。

Numerical Integration Single variable f - Calculates the definite integral of a single variable function f(x using numerical methods: The Trapezoidal, the Midpoint and the Simpson's method.

计算一个单精度变量的整数部分的函数f 使用的数学方法：梯形法、中间点中和辛普森方法。

According to a given function, namely, composite trapezoidal formula using composite Simpson formula Romberg quadrature formula and the variable step-size integration quadrature formula results, and compare the accuracy of points.

详细说明：根据给定的函数，分别用复合梯形公式、复合辛普森公式、龙贝格求积公式和变步长的求积公式计算积分结果，并且比较积分的精确度。

It first uses the integrating method of Romberg , which is an improved trapezoidal integration, to solve the given definite integral,then we create Lagrange's interpolation polynomial and Newton's interpolation polynomial.

首先运用Romberg积分方法对给出定积分进行积分，然后对得到的结果用插值方法，分别求出Lagrange插值多项式和Newton插值多项式，再运用最小二乘法的思想求出拟合多项式，最后对这些不同类型多项式进行比较，找出它们各自的优劣。

He character of TFOWA operator lies in fully use of uncertainty of trapezoidal fuzzy numbers, so it can reflect the complexity of real world and mistiness of human thought and make the decision making accord with the fact.

FOWA算子的特点是充分利用梯形模糊数的不确定性，因而更能反映客观事物的复杂性及人类思维的模糊性，从而使得决策更符合实际情况。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。