| 1. | Treatment for tissue injury by use of micro - porous polymeric electret film
静电场处理桑蚕孵的生物效应被迫 |
| 2. | Ecm electret condenser microphone
驻极体话筒 |
| 3. | Electret condenser microphone
驻极体话筒 |
| 4. | Design of heart sound processing analog circuit based on the electret capacitor microphone
基于驻极体电容传声器的心音模拟处理电路的设计 |
| 5. | Influence of chemical surface treatment on charge storage stability for miniature si3n4 sio2 electret film
化学表面处理对微型化的氮氧化硅驻极体层电荷储存性能的影响 |
| 6. | It specilizes in manufacture of carious circyle receiver , electret receiver and accessories of various telecommunication product
专业生产各种动圈受话器、驻极体话筒及多种通信产品配件。 |
| 7. | It also gives a safety design problem analysis using an electret capacitor microphone to pick - up the heart sound signals
该电路涉及到放大、滤波、电平抬升等电路，并给出了安全设计问题，利用驻极体电容传声器来拾取心音信号。 |
| 8. | While the compressed electret micromotor adopt top - drive structure , the output torque of it is larger than that of side - drive structure
扁平驻极体微电机采用项驱动型结构设计，此结构电动机的输出转矩比侧驱动型静电电动机要大。 |
| 9. | 1 . considering operator cabin ’ s area , there are eighteen electret microphone distributing around the top of cabin . the hardware system sample six audio channel
( 1 )考虑到一般船舱的面积大小,使用18个麦克风可布满要求的船舱监测点。 |
