... fetal heart rate-baseline 胎心率基线 fetal heart rhythm 胎心律 fetal heart sound 胎儿心音; 胎心音 ...
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多普勒胎儿心音探测器 Doppler sound detector
多普勒胎儿心音检测仪 Doppler ultrasound fetal beat detector
胎儿心音描记器 fetal phonocardiograph
胎儿心音图 FPCG ; fetal heart sound chart ; fetal phonocardiogram
超声波学。手持探头式多普勒胎儿心音检测器。性能要求和测量及报告方法。
Ultrasonics. hand - held probe doppler foetal heartbeat detectors. performance requirements and methods of measurement and reporting.
1970年以来，医生们常规听取胎儿心音，尽管没有确凿证据表明这有什么好处。
Since the 1970s, doctors have routinely listened to fetal heartbeats despite no real evidence that it did any good.
采用小波分析方法对胎儿心音信号进行处理是一种尝试，得到的结果基本上令人满意。
Adopt wavelet transform to analysis and process the signal of heartbeat sound is a kind of trail, and the result that get is basic to ascend to give satisfaction.
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