principle of the minimum

In the paper, considering three satellite constellation, optimal time control of orbit transfer with constant value, continue working and Newton grade thrust is studied, by means of Minimum Principle in optimal control theory.

本文针对形成三星星座，利用最优控制中的极小值原理，解算了用恒值、连续工作、牛顿级小推力变轨的时间最短控制问题。

Based on the principle that heat transfers between those objects which have different temperatures, this technology creates integral indoor temperature mainly by radial heat transfer rather than thermoconvection, thus reduces energy consumption of building heating and cooling to the minimum.

顶棚低温辐射采暖制冷技术，利用不同温度的物体间会发生热传递的原理，以辐射而不是对流作为热的主要传递方式营造室内整体温度，从而最大限度地降低建筑采暖和制冷的能耗。

The extension of minimum energy dissipation theorem and the limitation of minimum entropy production principle in fluid flow

流动问题中最小能量耗散定理的推广和最小熵产生原理的局限

Another result calculated in the similar way according to the principle of minimum friction power is rather different from the experimental results, but closely conforms the velocity field deduced according to the law of minimum resistance.

同时又按摩擦功率最小原理进行了类似计算，得到的速度场与实验偏离较大，但却与按最小阻力定律推论的速度场相近。

Error of minimum zone applies to the criterion of Sphericity Error of minimum condition principle.

最小区域法是符合最小条件的一种直线度误差评定方法,但较难实现.

According to optimal control principle, Ping Ping control algorithm is used to eliminate vehicle's errors from current position to the expected location, the switching line of control action and the minimum moving distance are given by using this algorithm.

根据极小值原理探讨了Ping－Ping控制算法，车辆以最佳方式消除停车误差应切换控制的状态轨迹，以及消除停车误差车辆应行驶的最短距离。

The White House embraced the principle of a millionaires' tax last year and set the minimum rate at 30 per cent in January.

奥巴马政府去年采纳了百万富翁税收原则，并在今年1月设定了30%的最低税率。

The change in carbides and the recovery of dislocation structure in the matrix of tempered martensite during the process of fatigue have been studied with the help of a TEM. According to the principle of minimum energy, the interaction between carbides and dislocation was analyzed.

用电子衍衬技术研究了低碳回火马氏体在拉压对称疲劳过程中碳化物的变化及基体位错结构的回复，根据能量最小原理分析了碳化物与位错的交互作用。

According to the principle of the minimum potential energy, the deformation of single tension pile and pile groups was analyzed using a modified variational approach.

根据最小势能原理，使用修正变分法来分析抗拔单桩和抗拔群桩的变形。

According to the principle of minimum potential energy, the generalstiffiness and load matrixes are set up.

总刚度矩阵和荷载列阵由势能驻值原理得到.

Sphericity Error of minimum zone applies to the criterion of Sphericity Error of minimum condition principle.

“最小区域球”意义上的球度误差,是符合“最小条件原则”的球度误差评定标准.