The bomb must explode within less than a millionth of a second.

那枚炸弹必须在百万分之一秒内爆炸。

《柯林斯英汉双解大词典》

This radio is poor in quality; it broks down within less than a year of use.

这台收音机质量很差， 用了不到一年就坏了。

《新英汉大辞典》

Within less than two months a new emergency budget is due.

不到两个月，一个新的紧急预算会到期。

youdao

"What we were able to find was that within a centimeter, around less than an inch,certainly, and probably half an inch, there were different regions perhaps they overlap some but they were doing, at different times, different processes, all within this small area,"

VOA: standard.2010.01.28

In fact, there were five major developments, all hitting within less than a week.

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Within less than two years, history proved that the American voters had made a poor choice.

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When the mice were given pure air again, they returned to normal within less than 30 minutes.

ECONOMIST: Researchers find hydrogen sulphide can lower metabolism