| 1. | Acoustics - ultrasonic power measurement in the frequency range 0 . 5 - 10mhz 频率范围内超声声功率的测量 |
| 2. | Acoustics - ultrasonic power measurement in the frequency range 0 . 5 10mhz 声学0 . 5 10mhz频率范围内超声声功率的测量 |
| 3. | Ultrasonic power measurement in liquids in the frequency range 0 , 5 mhzto 25 mhz 频率范围0 . 5mhz 25mhz的液体超声功率测定 |
| 4. | Ultrasonic power measurement in liquids in the frequency range 0 , 5 mhz to 25 mhz 频率范围0 . 5mhz 25mhz的液体中超声功率测定 |
| 5. | Ultrasonic power measurement in liquids in the frequency range 0 , 5 mhz to 25 mhz 0 . 5mhz至25mhz范围内的液体中超声功率的测量 |
| 6. | Specification for ultrasonic power measurement in liquids in the frequency range 0 . 5 mhz to 25 mhz 液体频率范围为0 . 5mhz - 25mhz的超声波功率测量规范 |