The event is ore earthquake of rock burst type related to coal mine exploitation and mining activity, the micro-earthquake swarms belong to occasional local stress releasing.

这次微震群属于冲击地压型矿震，与煤矿开采及回采工程活动有关，属于偶发的局部应力释放。

youdao

Because the burst of heart disease is occasional and paroxysmal, real-time ECG monitor can get ECG information of patients so that abnormal events can be discovered and measures can be taken on time.

由于心脏病发作带有很大的偶然性和突发性，实时心电监护可以及时获取患者的心电信息，以便及时发现异常情况，采取相应的处理措施。

youdao

The flat voice acting aside, sound design is also fine, with some nice touches like the occasional burst of birdsong.

FORBES: Review - Carrier Command: Gaea Mission

Massive pyrotechnic flower blooms and vivid multi-color spikes and streamers burst seemingly right on top of us, so close that occasional warm ashes hit our faces and embedded themselves in our hair.

FORBES: Baha Mar: The Biggest Thing In The Bahamas