采用傅立叶变换近红外(NIR)光谱法建立了烟草中钙含量的NIR数学预测模型。
A mathematical prediction model of calcium in tobacco with FT-NIR spectrometry was established.
为了减少气候灾害造成的损失，提高灾害性气候的预测水平，用非线性预报原理和方法，建立了气候灾害的数学预测模型。
To reduce the effect of climatic disaster and improve it's forecast level, the nonlinear forecast model of the climatic disaster was set up.
国外专家根据统计参数数学预测，认为21世纪煤层瓦斯将取代石油成为主要能源，世界将进入煤层气与天然气能源的经济时代。
As a energy resource, coalbed gas would replace oil to be the main energy with natural gas in 21st century.
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