Lured by the high profits, colliery accident has occurred frequently, but also growing.

在高利润的诱惑下，煤矿事故频繁发生，而且愈演愈烈。

youdao

The situation of safety production is severe and very serious accidents occurred frequently.

安全生产形势严峻，重特大事故频发。

youdao

Willow twig gall midge( Rhabdophaga salics Schrank) occurred frequently and caused heavy loss.

杞柳瘿蚊发生频繁，造成很大的损失。

youdao

You may be referred to a specialist in ear, nose and throat (ENT) disorders (otolaryngologist) if the problem has been persisting for some time, is not responding to treatment, or has occurred frequently.

CNN: Ear infection (middle ear)

This promotion frequently occurred in the past, but hardly fits the everyday-low-price mantra espoused by new CEO Ron Johnson.

FORBES: Another Sign CEO Johnson Can't Make Up His Mind About J.C. Penney

The results showed that the various technical patterns mostly occurred far more frequently than they would have done if they were truly random events.

ECONOMIST: Heads, shoulders and broadening bottoms | The