| 1. | Magnetic field strength h of sintered smco magnet 烧结钐钴磁铁的最低饱和磁化磁场强度 |
| 2. | Where d is the distance 磁场强度将减小八分之一。 |
| 3. | Magnetic field intensity criteria for telephone compatibility with hearing aids 与助听器兼容的电话的磁场强度标准 |
| 4. | Magnetic field strength in audio - frequency induction loops for hearing aid purposes 助听器用音频感应回路的磁场强度 |
| 5. | A doubling of the distance will reduce the h - field by a factor of eight h 1 d ? 磁场强度与射源距离的立方成反比h 1 d |
| 6. | Method for measurement of the magnetic field in the vicinity of a telephone receiver 测量电话接收机周围磁场强度的方法 |
| 7. | Hearing aids - magnetic field strength in audio - frequency induction loops for hearing aid purposes 助听器.助听用音频感应环路的磁场强度 |
| 8. | The critical frequency of the sinusoidal magnetic field increases with increasing magnetic field density 磁场强度越大,正弦磁场的临界频率越高。 |
| 9. | Hearing aids . part 4 : magnetic field strength in audio - frequency induction loops for hearing aid purposes 助听器.第4部分:助听器的声频感应回路中磁场强度 |
| 10. | Hearing aids . part 4 : magnetic field strength in audio - frequency induction loops for hearing aid purposes 助听器.第4部分:助听器用音频感应回路中的磁场强度 |