查询词典 characteristic line method

At first this paper introduces a new method which is named as the concentric circles cutting method of drawing terrain characteristic line on the basis of contour vector data, and has made the program design and realized to this method.

本文首先介绍了一种基于等高线矢量数据提取地形特征线的新方法——同心圆剖切法，并对该方法进行了程序设计与实现。

In this thesis, the scramjet nozzle has been designed and optimized by the method of characteristic line.

本文应用简易特征线方法对超燃冲压发动机尾喷管进行了优化设计。

The design and optimization of the nozzle is researched by use of the method of characteristic line and particle swarm optimization method.

应用简易特征线方法和粒子群优化算法对尾喷管的优化设计进行了研究。

A modified characteristic line method for numerical calculation of steady oscillating current is proposed.

本文研究了气液活塞泵的运动机理，提出了一种用于定常振荡流数值计算的"修正特征线法"。

Characteristic line method has many advantages, such as clear concept, high calculation precision, good stability and easy to write program, and is greatly used in engineering.

特征线方法具有概念清晰，计算精度高，稳定性好，易于编写程序的优点，在工程上得到了广泛应用。

Mathematic proof of the hypertonicity for this model is given using two different cases. Furthermore, the Riemann invariants for the multi-class traffic flow LWR model are studied by using characteristic line method, and the physical interpret of the Riemann invariants are also pointed out. The information in transfer is obtained, that is, the total density and the relative density hold the same.

用两种方法给出了该模型在不同情形下双曲性的数学证明，运用特征线方法研究并计算了任意等级MCLWR交通流模型的Riemann不变量，得到了其传递的交通信息，给出了Riemann不变量物理意义的解释，即总密度保持不变和相对密度保持不变，最后又从形式上指出了在多等级车流并行时，MCLWR与LWR两种交通流模型实际上是等价的。

Based on the logarithmic spiral failure surface and combined with the characteristic line throry,a new computational method is proposed and procedure is prepared.

考虑对数螺旋线的破坏面并结合特征线理论，提出了一种新的浅埋条形板极限上拔力的计算方法并编制了程序。

Liquid rocket propulsion ; pulse operation ; characteristic line method

液体火箭推进；脉冲工况；特征线方法

The author thinks, owe according to northwest economy develop, extensive, railroad is district to basically carry the characteristic with method, carriage relatively tight capacity, the development mode that Lanzhou railroad bureau carries acting line of business should abide by fixed position of high starting point to be the same as the principle that photograph of adjust measures to local conditions integrates, establish carriage representative company respectively by railway administration and substation.

笔者认为，根据西北经济欠发达、地域辽阔、铁路为主要运输手段、运输能力相对紧张的特点，兰州铁路局运输代理业的发展模式应遵循高起点定位同因地制宜相结合的原则，由路局和分局分别成立运输代理公司。

Moreover, the author analyzed and researched dynamic load of the needle valve spring by adopting the method of characteristic line and proposed to design the needle valve spring using its dynamic load.

运用特征线法研究和分析针阀弹簧的动力负荷，推导出采用动载法设计针阀弹簧的方法，从而提高设计的稳健性。高压共轨喷油器精度和技术要求高，加工难度大。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了