通过监视信号波形的参数的时间变动，能够监视服用物质给血中成分浓度或血流量带来的影响。
Influence of an intake substance upon blood component concentrations and blood flow can be monitored by monitoring the time curves of parameters of the signal waveform.
方法施行opcab患者175例，在术中用血流测量仪测量移植旁路流量并分析血流波形。
Methods 175 cases undergone OPCAB were examined intraoperatively with transit-time flow measurement to decide whether an individual graft needed to be revised or not.
主控器采用目前国际上功耗最低的MSP430FW 427单片机，该单片机能够利用内部流量扫描模块（SCAN IF）有效地转换振荡波形，不需要外部流量检测IC，提高测量的精度和灵敏度。
The MSP430FW427 is used as control MCU. The function is realized by the SCAN IF module without IC circuit external, which improves the precision and sensitivity of flow measurement.
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