参考声强
reference sound intensity
超声强化
ultrasound enhancement
ultrasonic intensification
ultrasonic strengthen
ultrasonic enhancement
ultrasonic-assisted method
ultrasound-enhanced
超声强化提取
ultrasonic wave enhanced extraction
超声强化亚临界水萃取
Ultrasound-assisted subcritical water extraction
低频高强声场
Low-frequency and high-intensity acoustic field
Low-frequency and high-inten-sity acoustic field
非典型声强向量阵
non-typical vector acoustic intensity array
Non-typical vector sound intensity array
复声强器
complex acoustic intensity
后缘噪声强度级
Trailing edge noise intensity level
火箭强声发生器
rocket strong noise device