Flow propagation velocity
loss-free propagation time
Propagation time
传输延迟时间
传播时间
传递时间
波传播时间
飞越时间
幅射时间
Transit time flow measurement
Transit time flow meter
water flow time spectrum
Pulmondry flow time intervals
summit time low tide time and flat time of electric usage
actual time over standard time
corrected retention time corrected retention time
Mining Action of Non-Equipoise Time After Time
peace time changing war time
Real time PCR real time polymerase chain reaction