最小

Therefore, the principle of least action in heat transfer is studied and new principles are developed.

自然界众多的运动都是沿着"用力最小"的途径进行，在物理学上表现为许多物理现象遵循最小作用量原理。

In this paper we review historical development of the principle of least action ,pointing out its important rolein modern physics and cosmology.

本文评述了最小作用量原理的历史发展，指出了它在现代物理学、现代宇宙学中的重要地位，探讨了作用量概念的物理意义以及最小作用量原理的哲学意义。

The reflection coefficient and refraction coefficient are also given; the analysis shows the versatility of the principle of least action ,Snell s law and Fresnell s law in the research on the left-handed material,and the negative refraction effect is explained.

研究了电磁波在左右手介质界面折射与反射的特性，给出了折射系数和反射系数，从另外一个方面探讨了最小作用量原理在左手材料中的适用性；从电动力学和最小作用量原理证明了Snell定律，验证了Snell定律在左手材料中的适用性，并且得到Fresnell公式在左右手材料中的一致性。

To avoid slumping it ,one method is to find proper start point,another is to find analgorithm to speed convergence.

现在的调节方法一种是找到恰当的初始值点，从而跳过局部最小值点，另一种方法是找到能迅速脱离局部最小值点的学习算法。

The experimental results show that the quantization errors of different wavelet bases are usually different and the wavelet base of the minimum quantization error in space and frequency domain is 5/3 wavelet after exchanging the decomposition and reconstruction filters.

实验结果表明不同小波基的量化误差通常是不同的，具有最小空、频域量化误差的小波基是交换分解和重构滤波器后的5/3小波。

The paper proposes the TLS approach that minimizes the two kinds of errors.A Rayleigh Quotient formulation based on regularization is used to enforce a smooth solution.Then a conjugate gradient algorithm is used to minimize the modified RQ function.

该方法能同时最小化这两种误差，采用基于正则化的Rayleigh商来光滑解，用共轭梯度算法来迭代求解该正则化Rayleigh商的最小化函数。

Theoretical analysis and simulation shows that the direction driving motor accelerates first, and then decelerates to compensate for the eccentricity when the satellite is deviated from laser center with a certain distance, and reacquires the tracking satellite. The needed time from reacquisition to tracking is affected by motor acceleration, telescope′s detecting precision, and detector′s response and treatment time, and the effect of detector precision on the reacquisition and re-tracking time is greater, as a result, the detector response and treatment time is decreased to the least.

理论分析与仿真结果表明，当卫星偏离光斑中心一定距离时，指向驱动电机先加速后减速，补偿这个偏心，重新捕获跟踪卫星；重新捕获到跟踪所需时间受电机加速度和望远镜探测精度以及探测器响应处理时间影响，其中探测器精度对重新捕获到跟踪所需时间影响较大，探测器响应处理时间要减小到最小；为了使从捕获到跟踪过程中卫星始终在扫描光斑范围内，经纬仪驱动电机的最小角加速度为25.5°/s2。

The least squares technique for estimating regression coefficients minimizes this statistic, which measures the error not eliminated by the regression line.

用最小的计算方法来估计回归系数的最小值，从而来度量回归线中没有去除的偏差。

Orthogonal least squares regression utilizes a greedy scheme to tune the parameters of each individual regressor term by term.

正交最小二乘是一种贪婪算法，采用逐步回归建模，每一步利用搜索算法找到最小化残差的一个回归项。

This method will improve Reiter's approaches in the aspects as follows.

在Reiter的方法中，要用HS-树来计算最小冲突集的最小碰集。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。