stable arc的用法和样例：
例句
- The results show that columnar center zone was observed in the tri-mixed gas arc shape.
结果表明，三元混合气体的电弧形态中可观察到柱状中心区。 - So once Tesla had his arc lighting system running in Rahway, his backers fired him and reorganized the firm.
所以特士拉才刚在拉威市架设好他的电弧照明系统，他的资助者就将他解雇并重组公司。
