您要查找的是不是：
- hum noise measuring instrument 哼声测量器
- hum noise measurement 交流声测量
- A 8mm waveband FM and AM noise measuring equipment is introduced in this paper. 介绍了8mm 调频调幅噪声测试设备的原理和设计;给出了完整的测试数据和误差分析.
- In the Presence of Others Sing not to yourself with a humming Noise, nor Drum with your Fingers or Feet. 由别人在场的情况下,不要自己哼唱,也不要用手指或脚敲打东西,或者用脚踢什么东西。
- In the Presence of Others Sing not to yourself with a humming Noise,nor Drum with your Fingers or Feet. 有别人在场的情况下，不要自己哼唱，也不要用手指或脚敲打东西，或者用脚踢什么东西。
- It flew with the speed of the wind and gave forth a melodious sound (a humming noise? 它以风速飞行，发出了音调优美的声音（交流声?）
- A minitype wireless noise measure system is designed to act as an automonitor, which has been proved to be a practical device. 试验结果表明，该系统可以有效获得飞机的噪声数据，测试结果与仿真结果比较吻合。
- The modified readout noise measurement is based on the standard deviation of a selected square in the overscan image. 在此基础上,提出了改进的噪声和CTE的测试和归算方法。也就是,读出噪声的测量以过扫描区的方差为基础来进行。
- Hum the opening bars of your favourite tune. 哼一哼你喜爱的曲子的开头几个小节。
- a 8mm waveband FM and AM noise measuring equipment 八毫米调频调幅噪声测试设备
- intermodulation noise measuring instrument 互调噪声测量装置
- She continued to hum the song over and over. 她一遍又一遍地不断哼唱那支歌。
- The ambient noise measurement for substations in the city plays an important role in controlling and preventing ambient noise pollution. 城市中变电站环境噪声测量对控制和防治环境噪声污染起着重要作用。
- This method determines the most effective channels and frequencies to test so the number of phase noise measurements is reduced. 此测试方法能决定出最有效的频道及频率进行测试，以减少相位杂讯的测试次数。
- He could hear the hum of the bees in the garden. 他听得见花园里蜜蜂的嗡嗡声。
- After collecting information of workers, instruments and buildings, noise measurements, audiometry and annoyance assessments were examined. 噪音量测方面，在医院牙科门诊及牙体技术公司进行环境噪音监测及频谱分析，并测量工作人员之个人噪音剂量；
- The only sound he heard was the hum of the machine. 他听到的唯一的声音就是那台机器的嗡嗡声。
- A 0.1uF ceramic disk capacitor &10uF electrolytic (low ESR) capacitor shouldbe put across the output terminals during ripple &noise measure. 测试时，输出端应并联一个0.;1微法瓷片电容和一个10微法低内阻电解电容。
- electroacoustic noise measuring instru-ments 噪声测定仪器
- There is hum or noise in the speaker output. 扬声器输出声带嗡嗡声或杂音。
