stable arc的用法和樣例：
例句
- The results show that columnar center zone was observed in the tri-mixed gas arc shape.
結果表明，三元混合氣體的電弧形態中可觀察到柱狀中心區。 - So once Tesla had his arc lighting system running in Rahway, his backers fired him and reorganized the firm.
所以特士拉才剛在拉威市架設好他的電弧照明系統，他的資助者就將他解僱並重組公司。
