暴雨预警信号
暴雨预警信号-
山区致洪暴雨预警信号发布业务流程的思考
The Mountainous Area Sends the Rainstorm Early Warning Signal Issue Operation Flow the Ponder
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学生和工人被警告留在家中，而暴雨预警信号也被调升至高危级别。
Students and workers were warned to stay home while high-level storm signals were raised .
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气象局发布了今年第一个冰雹预警信号，以及严重的暴雨预警信号。
Meteorological authorities issued this year 's first hail alert , as well as a severe rainstorm alert .
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同时对排水工程的设计和暴雨预警信号的发布提供了重要的参考依据。
In the meantime , The study has provided important evidences for drainage design and issuance of warning signal of hearvyrain .