利用短信为洪水下游提供长达24小时的提前预警。
It will push SMS messages to people downstream of a flood event giving them up to 24 hours advanced warning.
环境污染预测对污染进行提前预警，防患于未然，从而能够尽早地进行预防和治理。
Environmental pollution predictions give early pollution warnings, and nip the pollution in the bud, so the precaution and governing can get in progress as early as possible.
在提前预警下，宝马迅速收缩了生产规模，防止大量积压的汽车占用流动资金而对价格形成压力。
The early warning helped BMW scale back production quickly, which prevented a glut of unwanted cars eating up cash and depressing prices.
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