磁 的中文句子和英文句子

在磁记录技术中使用的一种机构，在快速进带或倒带时能把磁带移开，以免和磁头接触。

In magnetic recording, a device which removes the magnetic tape from contact with the head on fast wind or rewind.


你可以把这些磁带当作听力材料。

You can use these tapes as aural material.


录音磁带的复制质量有了很大改进。

The reproductive quality of audio tapes has improved enormously.


磁盘套子装软磁碟片的塑料套或纸板套

The plastic or cardboard container that holds a floppy disk.


磁力是一种自然现象。

Magnetism is a natural phenomenon.


通电时线圈就会有磁性。

The loop becomes magnetic when the current is switched on.


录音设备上的一种装置，它能精确地把重放磁头或组合磁头调准到记录介质的磁道上。

On dictation equipment, a device for accurate alignment of playback head, or combined head, to the track on the recording medium.


指南针用于确定地理方向的设备，通常包括一个或多个水平安装或悬挂的磁针，可在枢轴上自由活动直到与地球磁场在一条线上

A device used to determine geographic direction, usually consisting of a magnetic needle or needles horizontally mounted or suspended and free to pivot until aligned with the magnetic field of Earth.


电磁性由运动电荷引起的磁性

Magnetism produced by electric charge in motion.


这把改锥已经磁化了.

This screwdriver has been magnetized.