population development model的用法和樣例：
例句
- A development model and its theoretical supposition of the safety standardization system of Jinchuan Corp. are put forward.
提出了金川公司的安全標準化系統發(fā)展模型并升華為實(shí)用的理論。 - Electrical treeing characteristics were discussed by the model of tree shape propagation in silicone rubber.
進(jìn)而提出了硅橡膠電樹(shù)枝形態(tài)發(fā)展模型，并以此討論了不同形態(tài)的電樹(shù)枝老化特性。
