波形分析仪是最重要的信号测量仪器之一，可以对信号时域特性、频域特性以及相关特性作高精度分析。
Waveform analyzer is one of the most important signal measuring instruments, which can accurately analyze the characteristics of the signal in time-domain and frequency-domain.
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.
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