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If the model's function constraints to some condition, the convergence and monotonic of model can be promised.

另外，模型中的模型函数在满足一定约束的条件下，可以保证协商决策的收敛性和单调性。

While the cost of the rights is substantial and will place eco nomic constraints on our company in the short-term, there are two reasons that the purchase of these rights will undoubtedly be a wise investment.

尽管购买该生产权的代价比较高昂并将会给本公司的财政造成短期的压力，但我们有两个理由认为购买该生产权无疑是一项明智的投资。

The underactuated free floating robot in space is nonlinear systems where velocity and acceleration constraints are both nonintegrable,therefore it is a second order nonholonomic system.

含有未驱动关节的自由漂浮空间机器人具有不可积分的速度和加速度约束，因而是一个二阶非完整系统。

Nonholonomicity arises in a free-falling cat subject to nonintegrable velocity constraints or nonintegrable conservation laws.

自由落体的猫在空中转体运动由于角动量守恒，姿态运动方程呈现为非完整形式。

For example, manufacturing errors, especially errors of profile and position, assembly errors, nonplanar characteristics of dynamic parameters of components (such as the distribution of mass, inertia forces, etc.), deformation of components, external environments (such as the temperature, the field of the gravity), varying of the condition and so on, all that will disturb the planar constraints, and make it uncertain.

根据广义约束的观点，由于机械的工作受到各种内部和外部约束（包括几何约束、运动约束、动力约束及工作环境条件的约束等）的综合作用，实际上要保证这些约束精确的平面性是不可能的。

Not-deferrable unique constraints and primary keys also use a nonunique index if the nonunique index is placed on the key columns before the constraint is enforced.

如果在创建不可延迟的唯一约束或主键约束时，键列上已经创建了非唯一索引，上述约束将使用此非唯一索引。

The approach of the developed method are, first, the velocity spaces of object and finger joints are, respectively, decomposed orthogonally, and the analytic relation between the object velocity and the joint velocities is derived by means of the kinematics constraints of contacts.

其思路是首先对物体及多指手关节的速度空间进行正交分解并根据接触的运动学约束，建立物体与多指手关节速度间的显式关系。

The optimization models which take into account the representation of FACTS devices, the line flow and the node-voltage constraints and based on simulated annealing is developed. For continuous variables with upper and lower limits, a method of outgrowing adjacent states is proposed.

5针对含FACTS装置的有功优化潮流问题进行了探讨，建立了基于交流潮流算法的含FACTS装置的有功优化潮流数学模型；在此基础上，运用模拟退火算法实现了该问题的求解。

Implicit schemes are hard to parallelize, while explicit schemes are easy to implement on parallel computer in spite of its strict stability constraints.

隐式格式难以直接在并行机上实施，显式差分格式尽管易于在并行机上实施，但它的稳定性条件苛刻。

In order to study these algorithms systematically and deeply, they are reviewed in this paper based on c-means algorithm, from metrics, entropy, and constraints on membership function or cluster centers. Moreover, the advantages and disadvantages of the typical fuzzy partitional algorithms are discussed.

为了能更为系统和深入地了解这些聚类算法及其性质，本文从改变度量方式、改变约束条件、在目标函数中引入熵以及考虑对聚类中心进行约束等几个方面，对在C-均值算法的基础上得到的基于划分的模糊聚类算法作了综述和评价，对各典型算法的优缺点进行了实验比较分析。

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％。