audio frequency造句怎么写

The dielectric coefficients of hematite ores measured in audio frequency range are always large in value, and show that hematite is a special dielectric.

An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment.

audio frequency output level of receiver

It can transmit audio frequency signal and video frequency signal at the same time.

INTERVENTIONS: The pronunciation with different audio frequency at thoracic sound area of 120 normal subjects were examined by EGG.

"FM car Transmitter" converts audio frequency signal to FM signal, which can be played in your car stereo system via wireless.

By monitoring system as example, Ann based on Ethernet defend the system, Ann defends the audio frequency and video information in the system to transmit the comprehensive wiring network.

Fundamental parameters and general requirements of audio frequency power amplifier (megaphone)

In order to improve the ringing method of telephone used in power systems, a type of selective calling device using audio frequency has been developed.

The paper presents the research and application of d ealing with figure files,audio frequency files and video files in information management system.

The middle part of an audio frequency.