Gazebo不但可以对标准的机器人传感器(例如惯性度量单元、GPS接收器和单筒相机)进行建模，而且还可以对机器人环境中使用的真实固形体物理部件进行建模。
Gazebo models not only standard robot sensors (such as inertial measurement units, GPS receivers, and monocular cameras) but also real-world rigid-body physics for robotic environments.
本文获得了一类关于度量加单形的体积和外接超球半径的几何不等式，作为其应用，给出了一些重要的推论。
Some geometric inequalities on metric addition simplex which volume and radius of circumscribed sphere are obtained. As its application, some important corollaries are given.
研究了完备度量空间中两个单值映象和一个集值映象有唯一公共不动点的充要条件，改进了已有文献的有关结果。
The sufficient and necessary conditions of two single-valued mapping and a set-valued mapping with the only common fixed point in complete metric space are discussed.
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