waiting-line theory的用法和樣例：
例句
- The repairable queue system is an important model of queue theory.
摘要可修排隊系統是一種重要的排隊論模型。 - It analyzes and infers intersection delay formation against non-saturated and oversaturated traffic conditions of intersections with queuing theory.
針對交叉口處於非飽和與過飽和狀態下的交通狀況，用排隊論分析並推導了交叉口增量延誤公式。
