The potatoes are planted by machine.

这些土豆是用机器种植的。

《牛津词典》

There is a price to be paid in that it is a delicate crop that cannot be lifted by machine or it will be bruised and rot, so has to be hauled by hand which is expensive.

这是要付出代价的，因为这是一种脆弱的农作物，不能用机器采摘，否则就会被压伤和腐坏，所以必须采用手工拖运，这是非常耗钱的。

youdao

Some can be accomplished by machine, others are better performed by hand.

有些可以让机器帮忙，有些只有手工制作效果才好。

youdao

The study compared trees that had been thinned by machine with those that had not been thinned.

VOA: special.2009.11.10

You could contrast the roguish and fanciful, clearly done by hand, title of the magazine, with that machine-type Blast.

你们可以把这些明显手写的，无赖而稀奇的标题，和机械化的“暴风“相对比。

耶鲁公开课 - 现代诗歌课程节选

It's hard to answer questions and whatnot and you don't necessarily have access to the same tools unless you yourself go through the process of configuring your machine manually by following many long sequences of steps.

所以很难说会出现什么情况,你们不能,用同一台机器，除非你们自己按照一系列,冗长的步骤手工配置,你们自己的电脑。

哈佛公开课 - 计算机科学课程节选

Simultaneously, the entire district vote was recounted by machine at the request of Republicans.

FORBES: Hand Recount May Tip Election To Gore

Correspondence, even letters of great import, has been signed by secretaries and by machine.

FORBES: All the Presidents' Pens

There are dozens of roadblocks reinforced by machine guns mounted on American-built Humvees.

BBC: World's elite focused on Mid-East