rood sum graph的用法和樣例：
例句
- It is the combination of probability and graph theory, and can be used in analyzing complicated multi-causality questions.
它是概率論和圖論相結合的產(chǎn)物，可用于復雜多因果關(guān)系的分析，是人工智能領(lǐng)域的研究熱點(diǎn)和重要成果之一。 - A description was carried out on the complicated epicyclic gear train by adopting the functional schematic diagram and the knowledge of graph theory.
摘要采用功能示意圖和圖論知識對復雜周轉輪系進(jìn)行描述。
