You can match a specific number of patterns by specifying the number of matches in braces.

通过在大括号中指定匹配的数目，您可以匹配特定数目的模式。

youdao

In Japan the number of arrests for domestic cannabis cultivation increased by 17% in 2009, whereas the number of arrests for importing fell by almost half.

在日本，2009年因在国内种植大麻而被捕的人数增加了17%，而因出口大麻被捕的人数则减少了近一半。

youdao

In each case the auctioneer will raise the price step by step until the number of bidders remaining in the hunt matches the number of slots on sale.

在任何情况下拍卖商都会一步一步的提高价格直到依然参与竞拍的公司的数目与代售牌照数目相吻合为止。

youdao

Just last week,the Commerce Department reported an unexpected drop in December in the number of housing starts by builders.

VOA: special.2011.01.24

Look at line number four, which is so clearly -- simply by looking at this, you can tell it's deficient in the number of syllables.

看第四行，显而易见--单单看一眼,就能看出它的音节数不够。

耶鲁公开课 - 弥尔顿课程节选

I have shown that by taking Avogadro's number of individual ion pairs and putting them all together in a line, the system's energy became more negative.

我推导出了,从每一个离子对中抽出阿伏加德罗常数,再把它们放在一起在一列中，这个系统的能量就变得更负。

麻省理工公开课 - 固态化学导论课程节选

The company also saw an increase in total total number of customers by 187, 000 in the first quarter, but the number of contract customers was down by 510, 000.

FORBES: T-Mobile Q1 Profits Increase Amid MetroPCS Merger Rumors

The number of children in foster care has risen by about 200 in the past two years with the overall number of children being looked after by the council rising by around 300 over the same period.

BBC: City Chambers projection

The number of new houses in Scotland fell last year, driven by a drop in the number of private homes being built, according to official figures.

BBC: Fall in number of new homes in Scotland