引入数值模拟法预测气藏动态的基本思想，深入研究了组分数模模型；
The theory about performance prediction for gas reservoirs by numerical simulation is introduced, and the mathematical model of the compositional simulation is studied deeply;
本发明揭露一种三角积分数模转换器，其包含三角积分调制器以及有限脉 冲响应滤波器。
This invention discloses a Delta-Sigma Digital to Analog Converter (DAC), comprising a Delta-Sigma modulator and a Finite Impulse Response (FIR) filter.
在这样情况，许多分数可能性密度函数模型是接近反应现象的一个适当的方法。
In such a situation, mass fraction probability density function model is an appropriate method to approach the reaction phenomena.
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