Human drove big machines and building fences for us!

人类开着大机器为我们造栅栏啦！

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It used to be a serious, important, computer-science affair - big machines, significant tasks, PhDs.

它从前是一项严肃、重要的计算机科学——和大机器啊显著项目啊博士啊什么的相挂钩。

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Because of their small fields, the farmers in china usually do not have big machines. The tools they use are often shovels, a hand-pushed plough, hook and hoe.

因为土地规模小，中国的农民一般都没有大型机械，他们经常用铁锨、犁、锄头。

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But it is still possible to make paper by hand, since the steps are the same as using big machines.

VOA: special.2009.07.06

As in many machines, a big wheel makes the little wheels turn.

VOA: special.2009.11.29

"Five to 10 years ago there was a trend towards really big machines, " he said.

BBC: Raspberry Pi and the rise of small computers

Now the farmers are using big machines, so the work is not there any more.

BBC: News - Today - India's caste-offs

But around here, many really big machines function for decades, long after they have ceased to appear high tech.

NPR: Power Structures Shape Northwest Landscape