Shock sensor trigger zones 外力损毁报警
Such algal blooms are not only harmful to people and animals but can also trigger dead zones in the lake-areas in the water so devoid of oxygen that they cannot support aerobic life.
这种水藻大爆发不仅会对人畜造成危害还会在湖水中制造死亡区域——水中的一片区域会因为氧气匮乏而完全不能供有氧生物生存。
Dead zones form when big blooms of phytoplankton at the surface trigger large quantities of organic matter, which then sink to the bottom.
当水面上大量爆发的浮游植物触发产生大量的有机物质，而这些有机物质随后下沉到水底的时候，死亡带就形成了。
The authority also uses geofencing—dynamic, location-based digital zones—to trigger and automate those fees, "and this is all transparent through open data, " she said.
海事局还使用了地理围栏（一种动态的数字定位区域）来触发和自动计算这些费用。 她说：“通过公然数据，这一切都是透明的。”
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