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

In the end, closing the budget gap needs to come from spending cuts.

FORBES: Larry Lindsay's Surprising Advice About What The Economy Really Needs