For example, the pattern o {2} would match two (and only two) o characters.

例如，模式o{2}将匹配两个(仅仅两个)o字符。

youdao

At 2 o 'clock we watch the news.

2点钟的时候，我们看新闻。

youdao

For example, if the complexity order of the current technique is O(n**2), speeding up the steps by 10x is a lot less helpful than finding an O(n) substitute.

例如，如果当前技术的复杂性等级是 O(n**2)，那么将这些步骤加速 10 倍远不及寻找 O(n) 替代品来得有用。

youdao

Despite revenues declining by 7% q-o-q and 2% y-o-y in the first quarter, we believe the company performed well in a tough market and has a lot to look forward to this year.

FORBES: Intel Dials Up $31 With Smartphone Push

Reported retail sales (including restaurants) fell 14.7% y-o-y compared to a 16.2% y-o-y decline in 2012.

FORBES: Chinese New Year Retail Sales Slow, High End Suffers

Growth of ordinary imports (excluding commodities) fell 9.0 percent y-o-y in October from -2.4 percent in September, an indication that domestic demand may be weakening and contrasts with the strengthening growth of industrial production and retail sales released on Friday.

FORBES: U.S. Helps Keep China Exports Flowing