没有人具备预测经济趋势的能力，同样地，对于股市的涨跌也没有人可以准确预估。
Nobody has enough ability to forecast economic trends. Similarly, nobody can exactly predict prices change on the stock market.
通过水文干旱识别和枯水期径流量预估，建立了供水系统水文干旱的预测模型。
Based on the recognition of hydrological drought and the runoff forecasting during the drought period, a forecasting model of hydrological drought is established.
实验验证表明灰色预估在预测聚能射流侵彻穿深上准确性较高，在类似领域具有较高的推广价值。
The test demonstrated that the use of Grey Prediction on doping out the piercing of cumulative jet had more accuracy and high spreading value in similar domains.
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