However, it is very difficult to get the accurate and simple mathematics model adopting the traditional mathematics modeling method.
但是，采用传统的数学建模方法，很难得到精确而又简单的数学模型。
Mathematics modeling method, rice cultivation technique function, and rice Variety hereditary improvement were discussed.
进一步讨论了数学建模方法、水稻栽培技术作用、水稻品种遗传改良等问题。
Mathematics modeling method, rice cultivation technique function, and rice Variety hereditary improvement were discussed.
进一步讨论了数学建模方法、水稻栽培技术作用、水稻品种遗传改良等问题。
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