queue size的用法和樣例：
例句
- Since queue lengths were not that significant, that is not much delay, who is experiencing the delays?
既然隊列長度的影響不那麼嚴重，也就是不會產生大量的延遲，誰又能感覺到這種延遲呢？ - The simulation results show measurable improvement in both queue length and throughput.
模擬結果顯示演算法在隊列長度以及吞吐量方面都取得了不錯的效果。
