查询词典 parameter variable

The value parameter is optional; if it is eliminated, the variable is set to a null value.

两边的空格是为了更可读，实际上，它们不是必需的。

In order to overcome the drawback of the GPC in the parameters tuning, a new GPC with variable parameter design based on BP Neural Networks is presented and the on-line tuning of the output softness factor a and the control increment weight λ are achieved.

针对广义预测控制算法中控制参数整定困难这一缺陷，提出了一种基于BP神经网络变参数设计的广义预测控制算法，实现了广义预测控制中的输出柔化系数α和控制增量加权系数入的在线调整。

Optimization arithmetic of low osmose oil field network problem is presented that oil-gas gathering system, sewage dispose system, injection system, electricity system are solved in succession, and the systems are connected with variable, layout and parameter optimization are included in every son system.

给出了低渗透油田地面工程网络拓扑优化的多级分解优化算法，即顺次进行油气集输系统、污水处理系统、注水系统和供配电系统的优化，各子系统间又通过变量互相联系，每一个子系统的网络优化又分解为布局优化和参数优化。

Based on the arc length formulae of the parallel to the easement curve and its property, this paper gives the parameter equations of the parallel to the easement curve taking the arc length itself as variable.

基于缓和曲线平行线弧长公式及其性质，给出了缓和曲线平行线以其自身弧长为变量的参数方程。

Note that only explicitly visible functions like new can have a variable parameter list.

要注意的是，只有像new那样明确可见的函数能有变参数列表。

The first way was "by reference" parameter passing, or the way that your typical C programmer would write a function that modifies a variable in its caller.

第一种方法是"引用"传递参数，也就是典型的C程序员使用的：编写一个函数修改调用者的变量。

The concepts of circuit variable space and circuit parameter space are proposed.

文中提出了电路变量空间和电路参数空间的概念，阐述了可以揭示元件本质和特征的理想电路元件的基本概念。

By using the basic method of virtual design and motion simulation of mechanical system based on Solid Works, virtual design of the robot of excavating tree stump was completed by synthetically using parametric and variable modeling technology and top-down design method. In case of the carrier was changed, the COSMOSMotion2006 was used to perform the motion simulation and optimized the parameter of the interface and the mechanical arm, by this way the useable of the new frameworks was confirmed, and in favor of reduce the exploiting cycle and exploiting cost.

通过使用SolidWorks软件的机械系统虚拟设计和运动仿真的基本方法，综合运用SolidWorks的参数化、变量化建模技术以及自上向下的设计思路，完成伐根清理机器人及其行走底盘的虚拟建模，并对由于行走底盘的改变而重新设计的接口和机械臂采用最新的COSMOSMotion2006软件进行了运动仿真和参数优化，以确定其机构可用性，有利于缩短产品的开发周期和减少开发费用。

So considering uncertainty variety of spatial data because of it, this paper introduces centriod as a reference point, and expanded uncertainty parameter changed with variable scales in 16-direction relation cone-shaped model and describes them with formalization. The model partitions the direction relations with smooth transition regions, which accord with percipience on direction concept description.

本文考虑了由此带来的空间数据不确定性变化，用质心作为参考点，并在16方向模型中添加了不确定度的参数，来适应尺度变化引起的空间关系的变化，并对其进行形式化描述，以更好的描述空间关系，使得方向关系的划分上有个平滑的过渡区，在方向概念的表达上更符合人的认知。

The results indicated that the piecewise linear function approach was easy to model nonlinear unit consumptions with a higher accuracy without regressing any parameter, and the related model could be solved quickly for a medium size problem.Meanwhile, the piecewise linear function approach could simultaneously handle nonlinearities of multi raw materials in a unit without adding any new integer variable.

案例结果表明，分段线性函数不需要回归参数，建模简单，精度较高，对于中等规模问题求解时间短，能够同时处理装置的多种原料非线性单耗，而不需要增加新的整数变量，多项式函数则不具有这些优点。

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。