查询词典 alternating direction method

Using two-flank-staining method, inspect the tooth flanks of the driven bevel gear, 3 to 4 equispaced spots along the circumference, at each spot apply color to 2 to 3 teeth, the correct meshing print requirements are: print width in the direction of face width not less than 50% to 60% of the facewidth , and that in the direction of tooth depth not less than 40% to 50% of the tooth depth.

用两面着色法，在从动锥齿轮的齿面检查，沿圆周均布3-4处，每处2-3齿涂色，正确啮合印迹要求为：在齿宽方向的印痕宽度不小于齿宽的50%---60%，在齿高方向的印痕宽度不小于齿高的40%---50%。

The paper sees Horton code as a primary characteristic value and generalizing condition of the river network, and selects, simplifies and generalizes river based on scale of before and after generalization,, The main contents of paper include:(1)Reviews generalization concept, arithmetic operators, methods, influence factor and frame of map generalization and design, analyze core theory of feature —oriented map generalization, discuss the main context and applicable method of river feature generalization(2) Summarizes natural form and spatial configuration characteristic of the river network, and describe the river network using digraph Paper mostly researches tree —like river, identifies the direction of river based on the angle of the main and secondary reach, and identifies the main river based on most length and predominant continuation of the flow direction along the major channel , then receives the grade of river by recursion and structuralize river network, builds hiberarchy rank system of river based on Horton coding(3)Designs the model of river network based on Horton code, and organizes the data of node, branch and river.

本论文把Horton编码作为水系网的一个主要特征值并以此作为综合条件，并根据综合前后的比例尺对水系网进行选取、化简和概括。论文的主要工作包括：(1)总结地图综合的概念、算子分解、实现方法、主要影响因素和总体设计框架，分析面向地理特征的制图综合的核心理论支撑，在此基础上讨论水系专题要素综合的主要内容和综合适用的方法。(2)总结水系网的自然形态和空间结构特征，用图论对水系网进行描述。以树状水系作为主要研究对象，依据树状水系的主支流交汇关系确定水系流向，依据水系中主流的长度最长和主流保持原有的流向趋势确定主流，按此递归得到河流的不同级别，对基于河段组织的水系网结构化，自动建立水系的Horton编码。(3)设计基于Horton码的水系网模型，对结点、河段、河流和河系的数据进行有效的组织。

The result makes clear, typhonic method and deputy closely related high intensity and positional change, the wind direction of strong wind speed in typhonic shift direction and wind field structure is consistent.

结果表明，台风路径和副高的强度和位置变化密切相关，台风移动方向和风场结构中强风速的风向一致。

In order to remedy this kind of shortage, this paper presents a quick volume rendering method, for the finite element data field of dam seismic response, choices the slicing direction relying on the element surface which normal line has the smallest included angle with the view direction, slices elements to many quadrilaterals, blends the colors of these quadrilaterals by using OpenGL blending technology, and then superimposes all elements one by one.

为了弥补传统体绘制静止画面不能明确判断场值集中部位的不足，提出一种快速体绘制算法，针对大坝地震反应有限元计算数据场，根据每个单元法线与视线夹角最小的表面来选择剖切方向，将单元剖切成多个四边形面后，对单元的绘制顺序进行合理排序，利用OpenGL图形库函数进行颜色融合，再将各个单元依次叠加，从而生成了三维数据场的体绘制图。

The method divides block along the intersection edge of joint faces and neglects the vertical shear force between dividing-blocks i.e. takes horizontal normal force and shear force into account; as to an assumed sliding direction, by satisfying vertical force equilibrium of every dividing-block and whole force equilibrium in the sliding direction, the factor of stability can be solved.

基于此，提出分块极限平衡分析法，该方法沿非临空面交棱将块体进行分块，在忽略分块间的垂向剪力（即可考虑分块间的水平法向力和剪切力）前提下，通过满足各分块的垂向力平衡和滑动方向上的总体力平衡，求解特定滑动方向的稳定系数。

Result proof, this method can hold taller beam gain in direction of many expectation signal, in interference at the same time signal direction forms very deep beam to cave.

结果证实，该方法能够在多个期望信号方向保持较高波束增益，同时在干扰信号方向形成很深的波束凹陷。

The local path planning method is used to solve the delay during communication with remote-controlled mobile robots. The best subgoal is selected from eight virtual subgoals in a certain range in front of a robot according to the angle between the direction of the mobile robot navigation and the direction from the robot to the goal and the distribution of obstacles in a certain region of the measure range of eight ultrasonic sensors.

在机器人前部一定范围内虚拟出8个亚目标，采集前部8个超声波传感器数据，根据工作场所障碍物分布情况，分析指定范围内有无障碍物，结合机器人航向偏离目标的角度，选择最佳亚目标。

The sightline control strategy for bad measure precision is developed, and the control methods for vertical direction, approach direction and station keeping are presented.(2)The safe approach velocities are investigated for cuboid, sphere and cone keep out zone.(3)The design method for optimal trajectory under safety constraint is developed. The cone and cuboid keep out zone can be described using line constraint, and then optimal trajectory design can be translated to line programming problem under line constraint.(4) The design strategy of collision avoidance maneuver is discussed, and the collision avoidance scheme is analyzed for V-bar and R-bar approach.The control and trajectory safety in departure phase are investigated.

1提出了测量误差较大时平移靠拢段的视线控制策略，给出了横向、纵向和悬停的控制方法；(2)针对长方体禁区、球形禁区和锥形禁区三种禁区形式，研究了V-bar逼近和任意方向逼近的纵向安全速度计算问题；(3)提出了安全约束下的最优轨迹设计方法，将冲量和有限推力作用下的最优轨迹设计问题转化为线性规划问题，并给出了将锥形和方形安全区域约束转化为标准线性约束的公式；(4)探讨了紧急避撞机动的设计策略，分析了V-bar和R-bar接近的紧急避撞机动方案。

It is a further object of the invention to provide a method of assembly of a foldable plastic slider comprising a body having a depending separator finger and a pair of foldable wings, with a profiled plastic reclosable fastener particularly suited for thermoplastic bags for opening and closing the fastener comprising the steps of positioning a plastic bag having a plastic reclosable fastener along the top edges of the front and back faces of the bag to receive the foldable plastic slider in straddling relation, the fastener comprising a first interlocking element having a female fastener profile attached to one of the faces of the bag and a second interlocking element having a male fastener profile attached to the other face of the bag, inserting the plastic separator finger between the first and second interlocking elements, and forming the slider in straddling relation around the male and female fastener profiles at the top edges of the bag by folding the pair of wings downwardly toward the plastic separator finger and against the opposite sides of the body, and securing the pair of wings to the opposite sides of the body in fixed relation with the separator finger to form a pair of side walls for the slider whereby movement of the slider in one direction opens the fastener elements and movement in the opposite direction recloses the fastener elements.

资讯科技是提供一个组成一个有一只靠区分者手指和一双可折叠的翅膀身体的可折叠的塑料滑动器的一个集会的方法发明的一个较进一步的物体，由于一特别地描绘塑料的 reclosable 牢系工具轮廓为打开而且关闭组成放置一个沿着袋子的前面和后面脸的最高边缘有一个塑料的 reclosable 牢系工具在跨立关系方面接受可折叠的塑料滑动器的塑料袋子的步骤牢系工具为热后可塑性的袋子适合，组成一种第一的联锁元素的牢系工具对袋子的脸之一和一种第二种联锁的元素附上女性的牢系工具描绘附上男性的牢系工具描绘到另一个袋子面对，插入塑料的区分者手指在第一和秒联锁的元素之间，而且形成滑动器在向塑料的区分者手指向下地在折叠双翅膀旁边的袋子最高边缘在男性的和女性的牢系工具的周围跨立关系描绘方面和反对身体的相反边，而且固定到与区分者手指的固定关系的身体相反边的双翅膀为一个方向的滑动器的运动打开相反的方向牢系工具元素和运动的滑动器形成一双旁的墙壁再关牢系工具元素。

The method is completed at a room temperature, and does not require subsequent heating treatment; and the tungsten trioxide (WO3) nano film prepared is strongly oriented along the [002] crystallographic direction, namely the WO3 nano film is spread along an ab plane and a c- shaft is the film thickness direction.

本发明的方法在室温下完成，无需后续加热处理，所得的三氧化钨(WO 3 )纳米薄膜沿[002]晶向强烈取向，即所得的WO 3 纳米薄膜沿ab平面铺展，c-轴为膜厚方向。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了