Next, the 3.5 disk drive is attached, followed by a shield around the disk drive.

接下来，安装3.5英寸的磁盘驱动器，然后在磁盘驱动器周围加一个盖板。

So, hence, that external disk drive was useless from then on.

所以，从那以后，那个外置硬盘驱动器就没法用了。

Now, all of these new Lisas use the 3.5 floppy disk drive that is compatible with Macintosh.

所有这些新型Lisa，都使用与Macintosh兼容的3.5英寸软盘驱动器。

One possibility that Belleville had been exploring was to use a new 3.5-inch disk drive that Sony had developed.

有一个办法，也是贝尔维尔一直在探索的，就是使用索尼公司刚刚研发的新型3.5英寸磁盘。

Back at the hotel, Belleville argued for going with the Sony disk drive. It was ready to use.

回到酒店后，贝尔维尔主张使用索尼的磁盘驱动器，因为它们已经可以直接用到Mac上了。

Hard disk drives rapidly improved and became commonplace by the 1970s.

硬盘驱动器迅速改进并在 20 世纪 70 年代变得司空见惯。

E To see how this influences trade, consider the business of making disk drives for computers.

E. 为了说明这一切如何影响贸易，不妨来看一下计算机光驱制造业的例子。

This is possible only because disk drives, while valuable, are small and light and so cost little to ship.

原因也许只是光驱价值不菲却体积小而重量轻，从而运输费用低廉。

That's exactly what IBM did for the world's first computer with a disk drive: the RAMAC 305.

这正是 IBM 为世界上第一台带有磁盘驱动器的计算机所做的：RAMAC 305。

By the 1980s, Singapore was a regional manufacturing hub, and it was the world’s biggest producer of hard disk drives.

到 1980 年代， 新加坡是区域制造中心，也是世界上最大的硬盘驱动器生产国。