它的振动幅度取决于引力场的强度。Its oscillation depends on the strength of the gravitational field.振动幅度的大小决定声音的大小.The amplitude of the vibration determines the loudness of the sound.膜片振动,这使得周围的空气也动荡起来.The diaphragm vibrates , thus setti...
MCI provides applications with device - independent capabilities for controlling audio and visual peripherals.MCI给应用程序提供了控制音频与虚拟设备的设备无关特性.The main clients are peripherals materialsfor computer, computer monitors and tran...