The numbers were then replaced with blank squares and the test subject had to remember which number appeared in which location, then touch the appropriate square.

接下来，数字会被空白的方格所取代，受测者需要回想某个数字出现的位置，然后在屏幕上点出来。

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The chimps remembered the location of the numbers, and were able to touch them in numerical order.

黑猩猩们记得数字的出现的位置，然后他们以号数顺序进行触摸。

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Even if your spouse is the Numbers whiz, you need to touch base so you know how much is in the checking account and how much you owe on your credit CARDS.

即使你的配偶是算术高手，你也必须主动查看一下，了解来往账户里有多少存款，你还欠多少信用卡账未付。

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But again, the key takeaway there was how many numbers did I touch on that pass?

同样，在这个过程中,我一共移动了几个数字？

哈佛公开课 - 计算机科学课程节选

With The Fly, for example, users can draw a calculator and then touch the numbers to trigger a calculation heard through a speaker or ear phones.

WSJ: The Shape of Computers to Come?