论文部分内容阅读
每隔两年对模拟音频磁带进行一次评论。要求磁带制造厂家提供两盘不同批号的盘式标准型和薄型磁带。所有磁带样品首先进行物理性能检验,检查其卷轴状况和绕卷质量。结果所
Make a review of analog audio tapes every two years. Requires tape manufacturers to provide two different batches of disc standard and thin tape. All tape samples are first tested for physical properties, checked for reel condition and reel quality. Results of the results