There are many advantages for the new method of noncontact measurement employing the sensor for measuring piston ring end gap clearance dimension.

用其检测活塞环闭口间隙尺寸，是一种新的非接触式测量方法，具有许多优点。

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A cheaper range of products was introduced to plug the gap at the lower end of the market.

推出相对廉价的一系列产品，是为了填补较低档市场的缺口。

《牛津词典》

As a result, their math grades overtook those of the other students by the end of the first semester — and the gap between the two groups continued to widen during the two years we followed them.

结果，他们的数学成绩在第一个学期末就超过了其他学生——在我们持续观察他们的两年中，两组学生之间的差距继续扩大。

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Called Asha, these low-end items sit in the gap between bottom-end smartphones and high-end feature phones.

WSJ: Nokia Scores Points, But Fight Continues

Elections, however, usually end up widening the gap.

ECONOMIST: Too little investment; too big a deficit; too few jobs

Compare that to a century ago: people did indeed still starve in the streets in what are now rich parts of the world: two centuries ago we still had at least occasional outbreaks of widespread famine among those at the bottom, those at the not-interesting end of the inequality gap.

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