| 1. | The heart sounds are muffled when the pericardial sac is distended with fluid . 当心包充满液体时心音减弱。 |
| 2. | What is rhythm of the heart , heartbeat and heart sounds 什么是心律、心率和心音 |
| 3. | Study of wavelet transform analysis of heart sounds 频域分析及其相应的判断与处理 |
| 4. | Development of heart sounds teletransmission system based on gprs 心音远程传输系统的研制 |
| 5. | Heart sound signal gathering and analyzing 心音信号采集与分析系统 |
| 6. | Application of time - frequency representations in study on heart sound 时频表达在心音研究中的应用 |
| 7. | Spectrum analysis of heart sound signal based on hilbert - huang transform 心音信号小波变换分析研究 |
| 8. | Study on heart sound analyzing instrument based on embedded system 心音信号的分析及其特征提取方法的研究 |
| 9. | Audio - visual heart sound recorder 监听两用心音记录器 |
| 10. | Time - frequency analysis of heart sounds based on continuous wavelet transform 基于连续小波变化的心音信号时频分析 |