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- These models use a simulated input transducer that vibrates purely sinusoidally with a fixed frequency. 这些模型采用一个模拟输入探头,以完全正弦波的形式按固定频率振动。
- continuous sweep frequency audiometer 连续扫频式听力计, 连(续扫)频听力计
- The HV9931 is a fixed frequency PWM controller designed to drive proprietary single-stage single-switch no-isolated topology,cascading an input power factor correction(PFC)buck-boost stage and an output buck converter power stage. HVV9931是一个设计用于驱动专利单级单开关非隔离拓扑,级联一个输入PFC降压-升压级和输出降压变换器级的固定频率PWM控制器。
- If you touch the string gently, it vibrates at a fixed rate ( in other words, at a fixed frequency), but the distance between the top and bottom of the area in which it vibrates is small. 如果你轻轻地拨动琴弦, 琴按照固定的频率来震动(换言之,其频率是固定的),但它从顶部到底部的震动区域的范围是小的。
- Automatic audiometer in which the patient controls attenuation of signal intensity with a push-button switch at a fixed frequency or as frequency is swept, 一种采取固定频率或全频扫描式自动听力计,病人用按钮控制信号强度衰减
- Methods 50 patients received standard pure-tone and extended high frequency audiometry for hearing measurement. 方法对50例压力性鼓膜穿孔患者的常频和扩展高频测听的听阈结果进行分析。
- The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
- Objective To investigate the application of extended high frequency audiometry in early diagnosis of hearing loss of noises and tinnitus. 目的探讨扩展高频测听对耳鸣及噪音性聋患者早期听力损害的诊断意义。
- Objective To assess the meaning of extended high frequency audiometry in early diagnosis of presbycusis and the relation of it to the age. 摘要目的探讨扩展高频测听与年龄的关系及其对老年性听力损失早期诊断的意义。
- Conclusion Extended high frequency audiometry have meaning in early diagnosis of presbycusis, and the age of patients shoud be considered. 结论扩展高频测听可以作为对老年性听力损失进行早期诊断的依据。在对病人进行高频测听分析时应考虑年龄因素。
- The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
- I bought a run-down farm house and plan to fix it up. 我买了一间破败的农舍,打算整修整修。
- We needed someone to fix the tape recorder. 我们需要有人来修理录音机。
- I can fix up you with a used car. 我可以为你提拱一辆旧车。
- I tried to fix the date in my mind. 我试着把那个日期牢记在心。
- He promised to fix me up with a nice girl. 他答应为我介绍一位妙龄女郎。
- The neighbourhood pusher got Joe a fix. 邻里的不法商贩给乔打了一针毒品。
- Both of them were tested by the high frequency audiometry(HFA), and the results were analysed. Results: The average threshold of HFA in study group(27.97dBSPL) was higher than that of control group(19.17dBSPL). 结果 :实验组延伸高频听阈平均值为 2 7.;97dBSPL;对照组为 19
- Methods The group with noise exposure history and tinnitus which were normal examined by pure-tone audiometry and control group were examined by extended high frequency audiometry. 方法应用扩展高频测听对常规纯音测听测试正常的耳鸣及噪音暴露者和正常对照组进行检测。
- It's because I do not like to fix work hour. 这是因为我不喜欢固定的工作时间。