查询词典 trapeziform

It includes two aspects in content: one is the best choice for plane disposal of pipeline, and its methods follows as decision-making plot, simple trapeziform and optimizing trunkform etc; the other one is optimizing pipe parameter when the plane disposal of pipeline has been fixed, and the methods of which are linear programming, unlinear programming, dynamic optimizing, direct optimizing, hereditary arithmetic and so on.

污水管网优化设计包括两个方面的内容：一是管线平面布置的优化选择；其方法有：决策图法，简约梯度法，优化树法等。二是在管线平面布置已定情况下进行管道参数的优化；其方法有：线性规划法，非线性规划法，动态优化法，遗传算法，直接优化法等。

The finished product in per cent, the innermost pages of the book will be around 2 mm-trim, the page quality impact too obvious, but when posts to 4 in a manner worthy of books and periodicals, back-office will normally be the accumulation of width to 3 ~ 5 mm, and innermost invisible folded edge is for form at trapeziform.

在裁成成品时，最里面的书页就会被裁去2mm左右，这对页面质量产生的影响还不算太明显，可当帖数增至4帖时，书刊的书脊处积累宽度一般会增至3～5mm，最里帖无形地被挤出，裁口处就形成梯形边。

Corolla light blue-purple; tube almost as long as calyx; throat appendages low trapeziform; lobes of limb unequal, obovate. Anthers ca.

花冠光蓝紫色；几乎的筒部倍于花萼；喉附属物低的梯形；瓣片的裂片不等长，倒卵形。

Theoretical analysis: Deduce the corresponding preliminary theoretical formula and bring forward design method of trapeziform labyrinth screw pump, Integrate professional knowledge of Fluid Machinery, Make out structure chart、 accessory charts、 experimental equipment.

理论分析：在文献基础上推导出相应的理论计算公式并初步提出梯形迷宫螺旋泵设计方法；结合流体机械专业知识，设计出迷宫泵的总体结构图、生产零件图、实验装置图。

The article introduces some needed resolving problems. It brings forward principium of control, How can drive the servo signal and X and Z to the coordination of movements; How to change the feed rate; design of system structure, confirmation for input and output point, I / O address allocation;and also the project for speedup/down control during the screwthread processing. Method of programming design and manual operation trapeziform figure in system of numerical control lathe Corresponding project to problems is provided synchronously.

介绍可编程控制器应用于车床数控系统需要解决的问题，如何产生驱动伺服机构的信号及X、Z向的动作的协调；如何改变进给速度等；提出PLC作为数控机床主控制器的控制原理；系统结构设计；输入/输出点数确定及输入/输出点的地址分配；螺纹加工中升、降速的解决方案；程序设计及具体操作梯形图设计的方法，并给出相应的解决方案。

Three-dimensional stress analysis was carried out for screws with four different radii and cross-sections of the taper screw including rectangle sections without, with single and double round angle transition for strengthening, and trapeziform section.

在此基础上应用ANSYS软件对无圆角、单圆角、双圆角矩形和梯形四种截面的螺杆进行了三维应力分析。

The machining technique is recommended about machining the steep-lead multiple trapeziform left-hand internal screw thread in large diameter part using numerical control reformed CQ5250 vertical lathe.

介绍了采用数控化改造的CQ5250立车设备，加工大直径零件上的大导程多头梯形左旋内螺纹的加工方法。

Corolla blue-purple, ca. 3 mm, parted to lower 1/3; throat appendages trapeziform, ca. 0.5 mm; limb 3-5 mm wide; lobes ovate-orbicular, apex retuse.

花冠蓝紫色，约3毫米，对更低的1/3深裂；喉附属物梯形，约0.5毫米；瓣片3-5毫米宽；裂片卵形圆形，先端微凹。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。