那时国产5“喇叭做到40还是50Hz记不清了。然后一大堆玩具厂钢笔厂生产电视机。在上海的无线电爱好者开始转向电脑。文革还没结束。
那时国产5“喇叭做到40还是50Hz记不清了。然后一大堆玩具厂钢笔厂生产电视机。在上海的无线电爱好者开始转向电脑。文革还没结束。
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