| 1. | Film 16 mm ; saturation level of optical sound records 16mm胶片.有声影像录制品的饱和度 |
| 2. | Film 35 mm ; saturation level of optical sound records 35mm胶片.有声影像录制品的饱和度 |
| 3. | Film 35 mm ; preamplifier for optical sound , general data for measuring 35mm胶片.光学声音的预放大器.测量用一般数据 |
| 4. | Film 16 mm ; optical sound heads , requirements and general data for measuring 16mm胶片.光学录音头.测量要求和一般数据 |
| 5. | Film 8 mm ; saturation level of optical sound records on film 8s ; definition , measurement 8mm胶片. 8s胶片光学录音的饱和度.定义测量 |
| 6. | Optical sound lamp 光录音灯 |
| 7. | Film 35 mm ; optical sound head for film 35 mm ; requirements and general data for measuring 35mm胶片. 35 mm胶片用光学录音头.测量要求和一般数 |
| 8. | Overall electro - acoustic frequency response for repro - duction of 35mm optical sound track ? reproduction cha - racteristics 35mm影片光学声迹的还音电声频率响应特性 |