约束

Using the properties of base solution vectors of the linear restriction equations, a condition to maintain the same discriminant result between the sampled observations of changed and unchanged was obtained: the disturbed row vector of sampled observations was satisfied all linear equations whose coefficients were the base solution vectors of linear restriction equations.

利用约束条件方程组基础解向量的性质得出了使数据变化前后的判别分类结果保持不变的条件：数据扰动行向量必须满足所有以约束条件方程组的基础解向量为系数的线性方程组。

On the basis of 3-D complex structure, construction of sedimentary framework correlation and interpolation and extrapolation in 3-D space and secondary modification of the constraining data, 3-D complex constrained model of faulting including reverse fault and the stratigraphic sedimentary model of channel, salt dome or reef and sequence missing were established.

在三维复杂构造和沉积框架关系建立、约束信息三维空间内插外推以及二次修正方法研究的基础上，建立了包括逆断层在内的复杂断裂约束模型以及河道、盐丘和地层缺失等地层沉积模型。

By use of first-order linear expansion of Taylor series, the linearization process of both nonlinear constraints and objective function of long-term optimal scheduling model are performed and an optimal scheduling model based on seccessive linear programming is built; an approach to solve Optimal scheduling of cascade hydropower station problem by seccessive linear programming is put forward, the scale-down factor of iteration step length is used to ensure that the algorithm can converge to the optimal solution of optimization problem quickly and accurately.

通过采用泰勒级数一阶描述形式，对优化调度目标函数和约束条件中的非线性约束进行线性化处理，建立了基于连续线性规划算法的优化调度数学模型，提出了用连续线性规划技术求解梯级水电站优化调度问题的算法，并采用迭代步长的动态比例缩减因子保证算法能快速准确地收敛到优化问题的最优解。

The Forth, the direct willingness survey method is used to identify and measure credit demand and credit constraint which is self-containedly categorized, in which repayment capacity, other credit sector and measurement errors are controlled.

第四，在信贷需求与信贷约束的识别上，采用直接意愿调查方法识别出了具有完备分类特征的信贷需求与信贷约束类型，并且，在调查过程中控制住还款能力、其他贷款渠道及测量误差等因素对调查的干扰。

We have to ask God to help us with Self-mastery. It is from God. As a spiritual leader, as an elder or minister, self-mastery is a must.

我们要求神帮助我们使我们能够有自主约束，这是从神来的，身为一个属灵的领袖、长老、牧师，自我约束是必须要有的。

In this paper,three problems are researched.First,a method for recognizing triangle and quadrangle is introduced based on geometry and angle constraint.Then Attribute Relation Graph is employed to describe simple polyhedron and line drawing.

依据投影几何中的距离约束和角度约束，给出了三边形和平行四边形的识别方法；提出用属性关系图表示平面立体和线图，该描述方法是一种结合表面特征和几何特征的方法。

Within the optimization of systematic level of cooperated optimization, the slack variable is introduced to let the restraint of consistency equality be transformed to the restraint of non-equality. The value adoption of slack variable will affect the convergence speed in the optimization of systematic level.

在协同优化的系统级优化中，引入松弛变量，将一致性等式约束转化为不等式约束，松弛变量的取值影响系统级优化的收敛速度。

Four main types of spatial binary links are investigated in details for kinematic synthesis both in precision-position synthesis and multi-position synthesis. In terms of the invariants of spherical curve and cylindrical curve, the mathematical models of adaptive fitting sphere and cylinder are constructed by means of the saddle-point programming.

再次，根据常见空间机构运动副组合的约束曲线与约束曲面的曲率理论，阐述了空间机构运动综合的基本要素及其不变量拟合理论与方法，研究了有限位置和多位置情况下，自适应综合方法在空间S-S、C-S、C-C和S-C四类二副杆组运动综合中的应用，实现了自适应综合方法从平面到空间的扩展。

Based on the geometry and motion chamacteristics of hydraulic end in eccentric and squirmy rotor pump, the stress and restriction condition of rotor during the squirmy process were analyzed. According to the design parameters of eccentric and squirmy rotor pump, the load and restriction condition at six operating points were calculated and anaized.

针对偏心蠕动式转子泵液力端的几何结构及运动特性，分析了转子平面蠕动运动过程中的受力以及约束情况，并结合偏心蠕动式转子泵实际设计参数，计算和分析了泵工作过程中的6个工况点的载荷和约束。

The PID parameter tuning of non-linear control system is set as the engineering background. The aim is the optimal design of PID parameter. On the basis of the design and research of the advanced PID parameter tuning, the mathematical model-transfer functionis developed through correlation analysis on statistical method.And with the optimization algorithm under constraint condition, the non-linear, Isqnonlin is set as object function. Then with connection of the non-linear constrain optimization algorithm and simulink technique, a set of adjust parameters which fit the performance index of the control system are found. And optimization design process and steps are provided.

本文以非线性控制系统PID参数整定为工程背景，以PID参数的优化设计为目标，在分析和研究国内外PID参数先进整定方法的基础上，运用相关分析实验统计方法建立对象的数学模型——传递函数，把PID参数设计问题转化为一种非线性优化设计问题，借助于约束条件下的优化算法，以非线性最小平方指标为目标函数，将非线性约束优化算法同Simulink仿真技术相结合，找出符合控制系统品质指标的一组调节参数。

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％。