When placed in a magnetic field, which of the materials listed will maintain the highest permeability?()
When crossing the magnetic equator the().
Magnetic compass deviation().
Magnets in the binnacles of magnetic compasses are used to reduce the effect of().
Magnetic information on a chart may be ().
The standard magnetic compass heading differs from the true heading by().
The principal purpose of adjustment of the magnetic compass is to eliminate()as far as possible.
magnetic compass()
The Flinders bar on a magnetic compass compensates for the().
TEMPEST技术(Transient Electro Magnetic Pulse Emanation Standard,瞬态电磁辐射标准),是指在设计和生产计算机设备时,就对可能产生电磁辐射的元器件、集成电路、连接线、显示器等采取防辐射措施,从而达到减少计算机信息泄漏的最终目的。以红黑分离式TEMPEST计算机为代表的是()TEMPEST技术。