梯形的

First the subject discussed on the prerequisite of the Auto end-lock's structure, the changing mode and the agglutinate angles of Auto end-lock carton, then it analyzed five types of Auto end-lock carton's structure: rectangular parallelepiped, vertical rectangle-terrace, prismoid, non-conventional prism and non-conventional type.

此外， 项目还讨论自锁底折叠盒的盒形情况，变化方法，粘合角度和粘合余角，分析研究五种类型的自锁底折叠盒的结构，他们是矩形平行六面体、梯形、平截头棱椎体、不规则类型。

The error spectra obtained from the results of the data processing by different operators based on rectangular formula, trapezoid formula and their compensation forms are discussed, through which some error features of these operators are obtained.

文中在总体上讨论了诸如矩形公式、梯形公式以及它们的补偿形式等数据处理方法的误差谱，讨论了它们的一系列性质，例如对称性、周期性。

A key element of the rear running gear is its trapezoidal-link rear suspension with completely new kinematics.

后面的一个装置运行的关键因素是其梯形连杆运动学与全新的后悬挂。

Sequential control design method is an advanced regular design for design of PLC ladder diagram .

顺序控制设计法是PLC 梯形图的一种先进规范的方法，将其应用于组合机床控制系统中，使控制软件与工序动作有较好的对应关系，编制和调试效率高。

The sequential quadratic programming method was used to optimize the structural sizes of microchannel.

优化结果表明：微槽冷却热沉的结构形状对传热性能有很大的影响，与三角形和梯形结构相比，矩形微槽结构的传热效率更高。

In this paper, can be Phassus Siemens S7-200 controller on the three-speed winch control circuit modification, the analysis of the exchange of three-speed winch control system based on functional requirements, described the landing on Siemens PLC control system software design, given the external wiring diagram of PLC, control system provides a ladder and procedures, and simulation.

本文采用西门子可蝙程序控制器S7-200对三速起货机控制线路进行改造，在分析交流三速起货机控制系统的功能要求基础上，阐述了基于西门子PLC的起货机控制系统软件设计方案，给出了PLC的外部接线图，提供了控制系统梯形图和程序，并进行仿真验证。

The virtual prototype model of McPherson suspension and steering linkage was established by using ADAMS software. The effects of key points on Ackerman steering and toe-in angle change characteristic were studied. And the parameters of the key points of steering linkage were optimized.

利用ADAMS软件建立麦弗逊悬架转向机构的虚拟样机模型，分析了转向机构中的关键点对阿克曼转向特性和车轮前束角变化特性的影响，对转向梯形进行了优化计算。

After about six months work, I filed the petition in the Supreme Court of India for saving the Taj Mahal, and for saving the life and health of the people living the whole Taj trapezium.

6余月的调研完成以后，我向印度最高法院提交了一份申请，要求保护泰姬陵及生活在整个泰姬梯形地区的人们的生活和健康。

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。

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。

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。