- 超声波 chāoshēngbō ultrasoundultrasonic wave; an elastic wave with a frequency higher than the range of human hearing, typically used in medical imaging, cleaning, and industrial testing
- 次声波 cìshēngbō infrasound waveinfrasonic wave; sound waves with a frequency below the range of human hearing (lower than 20 Hz)
- 彩色B型超声波 cǎisèbìxíngchāoshēngbō color ultrasoundcolor Doppler ultrasound or B-mode ultrasound imaging scan
- 声波强度 shēngbōqiángdù sound intensitythe power carried by sound waves per unit area in a direction perpendicular to that area
- 次声波武器 cìshēngbōwǔqì infrasonic weapona weapon that uses low-frequency sound waves to cause physical damage or disorientation in biological targets
- 声波定位 shēngbōdìngwèi acoustic positioningsonic location system; acoustic positioning; underwater sonar
- 超声波检查 chāoshēngbōjiǎnchá ultrasound scanan ultrasound scan or echography