Those PageRank updates we used to love seeing every month or two became less and less frequent.

我们曾经乐见的那些每一至两个月就更新一次的PageRank算法，更新频率越来越低。

youdao

El Niño's female counterpart, La Niña—a cooler sloshing from east to west—is less well known, and less frequent.

不过与厄尔尼诺相对的一位异性同伴，拉尼娜—太平洋寒流定期自东向西的流动—就不是那么出名了，活动也不是那么频繁。

youdao

In dry areas, deeper and less frequent watering helps plants to develop deeper, more drought tolerant root structures.

在干旱地区，更深入，那么频繁浇水帮助工厂，开发更深刻，更耐旱的根本结构。

youdao

Eventually relapsing-remitting MS can become progressive MS as the good spells become shorter and less frequent.

BBC: Multiple sclerosis: New drug 'most effective'

Rarely are the motivations of Beijing and Moscow articulated, and even less frequent have been any offerings of the dramatic impact that these nations' policies have on the world.

CENTERFORSECURITYPOLICY: The nexus of evil

Sightings of these animals, much bigger and stockier than domestic cats, were becoming less frequent - and a breeding programme was urgently needed to prevent them from completely disappearing, Dr O'Donoghue added.

BBC: When is a wildcat really a wildcat?