参数

For radians, these functions are found in boost/units/cmath.hpp These behave as one expects, with trigonometric functions taking an angular quantity and returning a dimensionless quantity, while the inverse trigonometric functions take a dimensionless quantity and return an angular quantity

对于弧度，这些函数定义在 boost/units/cmath.hpp 。这些函数就像你想的那样，三角函数以弧度数量为参数返回一个无量纲数量，反三角函数以无量纲数量为参数返回一个弧度数量

It is unnecessary to find the solutions of Diophantine Equation and identify the extra auxiliary parameters.

一种方式是间接方法，先估计过程模型参数，再通过求解Diophantine方程得到控制参数［1］。

This paper develops a new design method of self-tuning pole placement controller. In this method, parameters of the controller can be directly obtained by a two level linear identifier. It is unnecessary to find the solutions of Diophantine Equation and identify the extra auxiliary parameters. At the same time, the effect of deterministic disturbances can be eliminated.

提出了一种极点配置自校正控制器的设计方法，这种方法用两级线性辨识器可直接获得控制器参数，无需求解Diophantine方程，也不需要辨识多余的辅助参数，而且可以消除确定扰动的影响。

The controller's parameters were identified directly without solving the Diophantine equation or the inverse of matrices, and the online computing time was shortened, which makes the approach be very suitable for the fast rolling process.

采用对模型要求宽松的广义预测控制方法，基于广义误差估计值对控制器参数进行自适应调整，直接辨识控制律参数，省略Diophantine方程的求解、矩阵的求逆，缩短在线计算的时间，适用于快速的轧钢过程。

The variation regularity of joint size and the shear strength of fractal rock joints with different fractal dimensions were subsequently studied by using the numerical direct shear test method.

为了研究岩石节理抗剪强度参数取值中的尺寸效应问题，采用随机分形方法，重构了岩石节理剖面线，在此基础上，应用数值直剪试验方法，研究了不同分维值岩石分形节理抗剪强度参数随节理尺寸的变化规律。

The initialized parameters of neural networks are selected, which is directed by rough set theory, and the networks are trained by using a probability-based BP algorithm, which minimizes system errors.

首先，利用粗糙集理论对神经网络初始化参数的选择和确定进行指导，赋予各参数相关的物理意义；然后，以系统输出误差最小化为目标对粗糙神经网络进行训练，使其满足性能要求。

Also the input parameter is defined using the parameter tag with Direction attribute as "In".

另外输入参数定义使用带标签的属性Direction参数为""。

In order to analyze the influence of signal clearance delay on the system stability, and to offer direction to control parameter modulation during experiment, the influence of delay of gas clearance on control parameters' stable region is analyzed.

为分析间隙信号延时对系统稳定性的影响，并为实验过程中控制参数的调整提供方向，计算了间隙信号延时对控制参数稳定区域的影响。

The fivepoint survey theory is used to calculate PDC cutter's position parameter and direction para...

五点测绘理论用于利用复合片上的任意五个测绘点坐标求出复合片的空间位置参数和空间方向参数；达到检验和测绘PDC钻头、检验模拟软件的目的。

It was shown that the structural parameter was strongly affected by the diameter and depth of tunnels. The structural parameter in vault direction decreased firstly and then increased along with the tunnel depth.

研究得出：围岩的结构性参数与径深和洞径密切相关；随着径深的增大，拱顶方向上围岩的结构性参数均呈现出先减小后增大的规律，存在一个最小值。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。