1, structure and appearance: the appearance of mccullough is similar to that of a small mechanical dog. It has four movable legs, and its mechanical joints enable it to simulate the gait and movement of dogs. Its body is covered with a protective shell, including sensors and cameras.

2. Exercise ability: McCullough is powered by battery and can move at the speed equivalent to human walking. It is balanced and can adapt to different types of terrain, including stairs, uneven ground and narrow passages. It can also jump, rotate and change direction quickly.

3. Sensors and vision system: McCullough is equipped with various sensors, including radar, camera and depth sensor, which can sense the surrounding environment and build maps. These sensors enable McCullough to avoid obstacles and perform tasks such as navigation, positioning and path planning.

4. Application field: mccullough is widely used in various fields, including industry, military, emergency rescue and scientific research. It can undertake some dangerous or complicated tasks, such as patrolling, carrying goods, surveying the environment, monitoring the state of equipment and so on.