2. 职称英语
  3. The dancers stand motionless at their position and the room grows silent. Bu

The dancers stand motionless at their position and the room grows silent. Bu

游客2023-07-22  15
问题     The dancers stand motionless at their position and the room grows silent. But as the music starts, they began to move, bending, turning and waving their fans gracefully as they perform a traditional Japanese dance. Yoshihiro Kuroki watches in silence, occasionally making notes. But as the dance ends, he beams with happiness. The performance has been flawless.
    There have been many performances of traditional Japanese dances over the centuries, but this one is unique, because it is performed not by human dancers but by robots. And the performance takes place not in a dance studio but in a laboratory of Sony Corp.’s Entertainment Robot Co. in Shinagawa, Japan, where Kuroki is general manager. He is the mastermind behind a series of even more capable humanoid entertainment robots, starting with the Sony Dream Robot, or SDR, in 1997, up to the current QRIO in 2003.
    These delightful machines are only 58 cm tall, about the size of a newborn infant, weigh about 7 kg, and move with 38 degrees of freedom, each with its own servomotor(辅助马达).
    QRIO’s predecessor, the SDR4X, announced in 2002, can walk, dance, sing, speak, recognize faces, and understand continuous speech. Each robot has two charge-coupled-device cameras to detect color and position and can locate a colored ball, move toward it, and kick it into a goal. It also has contact sensors in several joints to avoid pinching real human fingers. Seeing the robot perform, it is difficult to remember that there is no sentience(知觉)behind those glass eyes. [br] The robots can locate colored balls by means of ______.
选项 A、a charge-coupled device
B、two cameras
C、two contact sensors
D、a digital detector
答案 B
解析 该句中“two... cameras to...”的结构表明这两个摄像头可以用于定位，所以选项B正确。
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