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So, despite not really knowing how to play the piano and not knowing how to read or write music, Cicoria got himself a piano and promptly began to play everything he heard in his head.

于是，尽管实际上不知道该如何弹钢琴，也不知道如何读写乐谱，西科里拉还是给自己买了一台钢琴，并且立即开始弹奏脑子里听到的一切。

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The mechanical device that moves something , usually read/write head.

一种机械装置，用于移动诸如读写磁头之类的部件。

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Now, if the current is sent one way through the read/write head the area is polarized in one direction.

如果当前通过读写头来发送指向一个方向的信息,这个区域的磁极指向某个方向。

哈佛公开课 - 计算机科学课程节选

So as the particles on the disk that get the current in the read/write head moving put together millions of these magnetized segments and you've got a file.

通过读写头你就可以得到每个粒子的极性,如果把这些上百万粒子的信息,汇聚要一起就够成了一个文件。

哈佛公开课 - 计算机科学课程节选

When a brief pulse of electricity is sent to the read/write head it flips on a tiny electromagnet for a fraction of a second.

当一个简单的电脉冲被送到读写头,它会短时间内出现一个小的电磁。

哈佛公开课 - 计算机科学课程节选

One challenge would involve creating a magnetic head that could hover over those dots, read their signal and write new data onto the grid.

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