multi-model approach的用法和样例：
例句
- Furthermore, the paper discusses some refinement measure in order to improve stability and effectiveness for this model in application.
最后，讨论了模型方法使用中的若干改进思路，以提高评价的稳定性和效果。 - The model was used to describe the effect of its perforation length and perforating positions on well productivity for the purpose of staged perforation.
再用此模型方法研究水平井射孔段长度和射孔段位置对油井产能的影响，达到分段射孔优化的目的。
