While the snakes rarely bite humans in the water , fishermen are struck occasionally when sifting through their trawls and have died from the bites of some species .
尽管在海里蛇很少咬人类,但有时蛇会攻击正在筛拖网的渔民,渔民因此死于一些蛇的咬伤。
It implements event detection software that trawls the twittersphere to identify hotspots of activity or emerging trends that match its client 's watchlist of topics , industries or companies .