Correct

频发

/ pín fà /
Strokes

Example

As a Verb

(usu of bad things) frequently happen; occur very often

1
Jìnniánlái
近年来
  
,
méikuàng
煤矿
ānquán
安全
shì
事故
pín
频发
  
,
zàochéng
造成
zhòng
重大
shāngwáng
伤亡
sǔnshī
损失
  

In recent years, major accidents have happened frequently in coalmines, and caused great injuries and losses.

2
Shì
事故
pín
频发
duàn
路段

spot/section of high accident frequency; (accident) black spot