不失真声频压缩
lossless audio compression
带真空泵的汽油泵
vacuum pump with fuel pump
带真空泵的燃油泵
fuel pump with vacuum pump
带真空泵的纸张平滑度测定仪
paper smoothness tester with vacuum pump
带真皮下血管网自体皮
auto skin graft of vascular net with dermis
脐带真结
True knot of the umbilical cord
true knot of umbilical cord
Lilley宽带声源模型
Lilley broad-bound noise source model
半导体激光声带切除术
Semi-corductor laser cordectomy
倍频程带声压级
octave band pressure level
倍频带声压级
frequency band sound pressure level
舱音背景声声特征
back-ground cockpit sound characteristic
超声声空化
ultrasonic sonic-vacating
超声声速
Speed of sound
ultrasonic pulse velocity
velocity of ultrasonic sound
ultrasonic velocity
Ultrasonic sound velocity
超声声速测量
Ultrasonic velocity measurement
超声声速法
ultrasonic velocity method