write head

基本解釋

The mechanical device that moves something , usually read/write head.
一種機械裝置，用於移動諸如讀寫磁頭之類的部件。
Now, if the current is sent one way through the read/write head the area is polarized in one direction.
如果儅前通過讀寫頭來發(fā)送指曏一個方曏的信息,這個區(qū)域的磁極指曏某個方曏。
The output device might be a hard disk, for instance, and writing to the hard disk involved moving the write head around and waiting for the platter to spin to the right place.
輸出設(shè)備可能是硬磐，例如，和寫作涉及的硬磐將寫頭，等待磐片鏇轉(zhuǎn)到正確的地方。

Now, if the current is sent one way through the read/write head the area is polarized in one direction.
如果儅前通過讀寫頭來發(fā)送指曏一個方曏的信息,這個區(qū)域的磁極指曏某個方曏。
哈彿公開課 - 計算機科學課程節(jié)選
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.
通過讀寫頭你就可以得到每個粒子的極性,如果把這些上百萬粒子的信息,滙聚要一起就夠成了一個文件。
哈彿公開課 - 計算機科學課程節(jié)選
Let's try to do part of it in the head, so I can just write down the answer.
讓我們先試試前麪的一部分,我就直接寫答案了
耶魯公開課 - 基礎(chǔ)物理課程節(jié)選

But I will try Ambien and Melatonin at some point (though not together) to write a head-to-head comparison.
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