Why is the abacus such an effective teaching device?
为什么算盘有效地帮助了教学？
In this paper, an experiment teaching device controlled by microcomputer for electrical machine test was introduced.
研究一种用于电机测试的微机控制实验教学设备。
According to features of genetics course in the era, the course contents, teaching device, teaching method and experiment teaching were discussed.
依据遗传学课程的时代特点，对遗传学的教学内容、教学手段、教学方法及实验教学等环节进行了探讨和总结。
In this paper, a TV camera and a 3-D teaching device with four LEDs attached to measured Point on the object are employed to acquire the 3-D information of the measured point.
本文采用单摄像机与3-D示教器（由四个LED构成）组成的仿真三维视觉传感装置来完成空间坐标系中物体的空间位置和姿态的测量。
In this paper, a TV camera and a 3-D teaching device with four LEDs attached to measured Point on the object are employed to acquire the 3-D information of the measured point.
本文采用单摄像机与3-D示教器（由四个LED构成）组成的仿真三维视觉传感装置来完成空间坐标系中物体的空间位置和姿态的测量。
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