梯形

PLC Freeport mode is used to complete the communication with PC and electron balances.

可编程逻辑控制器的程序采用Step7梯形图编写，实现通信和控制功能。

REBATES up to 1% of purchase price and no cost loans in Breckenridge, Dillon, Copper Mountain, Keystone, Frisco and Silverthorne Colorado.

回扣高达1%的购买价格和支付任何费用，贷款布雷肯里奇，狄龙铜山区，梯形，弗里斯科silverthorne和科罗拉多州。

Though blocking computing matrix,it can decrease the calculation amount of matrix multiplication.Meanwhile,the different simplified formats are presented when computing Duhamel integration with Trapezium formula、Simpson formula、Cotes formula and Gauss formula.

通过分块计算矩阵，能够减小矩阵乘法的计算量，同时分别给出了利用梯形公式、Simpson公式、Cotes公式、高斯公式计算Duhamel积分时的不同简化格式。

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。

Hardware wiring diagram and ladder diagram for the groover control with PLC are established. And the control software is comprehensively and thoroughly analyzed.

进一步确定了PLC的输入量和输出量，由此建立了其PLC控制的硬件接线图及梯形图控制软件，并对该控制软件进行了全面深入的分析。

Steel, gold and gunmetal rims outlining squares, teardrops, trapezoids and rectangles.

钢铁，黄金，并概述广场青铜色轮辋，眼泪，梯形和矩形。

Three kinds of flight cross sections were researched including rectangular cross section, hackle cross section and trapezoid cross section.

本文讨论的螺纹断面形状为三种：矩形断面、锯齿形断面，梯形断面。

The slant angles of hackle cross section affecting PC melt conveying performance were also researched.

对于梯形断面综合考虑圆弧半径与倾斜角度变化对熔体输送性能的影响。

The materials-air circulation is existed in the ginding chamber of hammer mill when grinding materials.It led to lower production ,higher consumption of energy and particle inhomogeity.Aiming at materials-air circulation ,the special type grinding chamber that is made up of trapezium screen was proposed. It can destroy circulation lay effectively and raise grinding capbility.

针对锤片式粉碎机工作时粉碎室内存在物料-空气环流层，导致其粉碎效率低、能耗高，且粉碎物粒度不均匀，提出使用梯形筛片构成的异型粉碎室来改善锤片式粉碎机的性能。

The authors adopted the software of finite element to simulate rock tension fracture, gave the breakdown of extensional criterion, selected the round, arch wall, rectangle, trapezoid and hemicycle as the simulation models and obtained the tension fracture forms of different shape chambers.

采用可模拟拉张破裂的有限元软件，给出拉张破裂的判据，分别选取圆形、直墙拱形、长方形、梯形、半圆形硐室模型进行拉张破裂有限元数值模拟。

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。