查询词典 Housing problem

Firstly the dimensionless planar motion model of SGKW was established;then the optimal control problem of shortest time coplanar hit orbit was transformed into two-point boundary value problem by means of Pontryagin maximum principle .

首先建立了SGKW的无量纲化平面运动模型，然后利用庞特里亚金极大值原理将时间最短共面打击轨道的最优控制问题转化为两点边值问题。

This OCVC problem was converted to a typical two-point boundary-value problem according to Pontryagin maximum value principle, and this TPBVP was a first order optimality condition which could be solved by Radau collocation method.

根据Pontryagin极大值原理建立该协调电压控制问题的1阶最优性条件，该条件是一个典型的两点边值问题。在此基础上采用拉道排列法求解这个两点边值问题。

According to the requirement of a minimum-fuel-consumption, a method of coplanar hit orbit optimization design for SGKW was studied. The dimensionless planar motion model of SGKW was founded, and the optimal control problem of minimum-fuel-consumption coplanar hit orbit was derived into two-point-boundary-value problem according to Pontryagin maximum principle.

针对燃料最省要求，研究了SGKW共面打击轨道优化设计方法，建立了SGKW的无量纲化平面运动模型，利用庞特里亚金极大值原理将燃料最省共面打击轨道的最优控制问题转化为两点边值问题。

Based on the special decomposition of Hankel matrix, we can transform the problem of approximating a given matrix with a positive semidefinite real Hankel matrix of lower rank to a smooth unconstrained optimization problem.

对矩阵的低秩Hankel半正定矩阵逼近，采用特殊的分解形式，可将其转化为一个无约束的优化问题进行求解，本文应用拟牛顿方法求解无约束优化问题。

Among them, low power factor and harmonic serious problem we face is the main problem.

其中，功率因数低下、谐波问题严重是我们面临的主要问题。

There are two types of predicative problems about the practical predication in the engineering application,one is called the well－structured problem,another is called ill－structured problem.

在工程应用的实际预测中，主要有两类不同性质的问题，一类是强结构化问题，另一类是弱结构化问题。

Presentiment System of the Great Wall is a very complex problem , however numbers of bamboos become the problem feasible.

长城的防御系统是一个极为复杂的研究课题，然而大批汉简的出土使该课题有了研究的可行性。

ABSTRACT The task 《Principle of Dielectrometry Measurements of Moisture Content in Pressboard and Research on the Measurement System》 is a key problem to tackle in the electric power industry in China (S No.Y98010211), which is also a worldwide difficult problem.

变压器绝缘纸板微水分介电测量原理及其测量系统的研究》课题为中国输变电行业技术攻关课题（编号Y98010211）。它同时也是国际同行业的难题之一。

She introduced how to choose reasonable software sale platform to sell software in detail to abroad achieve for the enterprise close; Hubei thought of far IT prexy Dr. Wen Zhumu to make a theme be " the line that the talent below financial crisis develops " speech, yes IT If how course of study walks out of predicament below financial crisis, the problem talked about his analysis, appeal everybody tries hard to solve together most the problem of the information asymmetry of core, be China IT The industry expands the power that contributes his; And software and Zhou Hong of Internet product expert strategics of product of bridge criterion prate,"Make a product the first view a trade, the 2nd see the market, final ability sees a client -- after recognize general trends take advantage of an opportunity and succeed likely for ability, and about innovating, the most important origin is fixed position, any innovation that leave this way are be destined to want to fail ".

她详细介绍了如何选用合理的软件营销平台将软件销至海外为企业创收；湖北思远信息技术学院院长文珠穆博士作了主题为"金融危机下的人才培养之道"的演讲，对 IT 业在金融危机下面如何走出困境的话题谈了自己的分析，呼吁大家一起努力解决最核心的信息不对称的问题，为中国的 IT 产业发展贡献自己的力量；而软件与互联网产品专家周宏桥则大谈产品兵法，"做产品第一看行业，第二看市场，最后才看客户——认清大势以后顺势而为才有可能成功，而关于创新，最重要的原点是定位，离开这个方向的任何创新都是注定要失败的"。

After the primal problem being transferred into a combinatorial optimization problem, genetic algorithm is designed to solve it.

原问题转化为组合优化问题后，采用遗传算法进行求解。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"