Based on the concept of fuzzy random variable, the concept of convex sets of fuzzy random vectors is introduced, and some examples for such type of convex sets are given.
在模糊随机变量的基础上引入了模糊随机向量凸集的概念，给出了几个模糊随机凸集的例子。
We assume that the motion of controlled object is describedby linear ordinary differential equations with variable coefficient, and the final states ofthe system form a convex region of phase space.
受控系统的运动设为变系数线性常微分方程组所描述，而系统的终点状态是相空间内的某一凸性区域。
All the control units on the inclined face and the convex step are reasonable in allocation and variable in shape, which provides easy operation and comfortable hand feeling to children.
斜面和台阶上的各控制件布局合理且形状各异，方便儿童操作，手感舒适。
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