martingale approach的用法和樣例：
例句
- Some strong limit theorems for the sequence of arbitrary random sequence are discussed by means of martingale method.
採用鞅方法研究對任意隨機變數序列普遍成立的強極限定理。 - From the point of view of the basic option model, enterprise investment decision making under uncertainty is studied based on the martingale method.
摘要從基本的期權模型出發，利用鞅方法分析研究了不確定情況下的企業投資決策問題。
