1) pre-warning upgrade
升级预警
1.
8 coal seam, which was not only of great significance for outburst forecasting, gas drainage and evaluation of outburst prevention effects, but also had reference values to dynamic pre-warning upgrade of non-outburst coal seam at Huainan mining area.
对淮南矿区8煤煤巷掘进工作面瓦斯始突瓦斯参数研究及其临界值的确定,能够加快淮南矿区8煤的采掘速度,这不仅对突出矿井的突出预测、瓦斯抽采以及防突效果评价具有重要的意义,同时对淮南矿区非突出矿井的动态升级预警具有重要的参考价值。
2) Alarming class
预警警级
3) raise alert
升级警告
4) alarm level
预警级别
5) cascaded warning
级联预警
1.
According to the time difference characteristics of indicator combination,new concept of cascaded warning and warning probability is put forward.
针对电力需求预警指标组合的时差特性,提出了级联预警与预警概率的新理念,给出了预警概率的估计方法。
6) three-grade early warning
三级预警
补充资料：升级
1.谓从较低的级别升到较高的级别。 2.谓从较低的年级升到较高的年级。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条