The invention discloses a rotary coding switch comprising : an insulted substrate installed with metal contact pointpole, upper cover and rotary switch body;
本发明公开了一种旋转编码开关，包括：一个设有金属接触点极的绝缘基板、上盖 和旋转开关本体；
2
The South Pole would be the check point on circuit, snatching the data from space, processing them in computers and relaying them to the rest of the world.
南极将是轨迹的检查点，从太空中获取数据，用电脑处理，然后将数据传送到世界其他地方。
3
One of you asked this question. “Does a magnetic compass point to the North Pole?”